# Recent questions tagged simultaneous

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Solve the equation $4 x^{2}-8 x-3=0$
1 answer 47 views
Solve the equation $4 x^{2}-8 x-3=0$Solve the equation $4 x^{2}-8 x-3=0$ ...
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Solve the simultaneous equations $x+y=3$ and $2 x^{2}+4 x y-y=15$
1 answer 22 views
Solve the simultaneous equations $x+y=3$ and $2 x^{2}+4 x y-y=15$Solve the simultaneous equations $x+y=3$ and $2 x^{2}+4 x y-y=15$ ...
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$y=x^2+2x-3$ and $y-5=2x-4$ simultaneously
1 answer 85 views
$y=x^2+2x-3$ and $y-5=2x-4$ simultaneouslySolve for $x$ and $y$ in the following pair of simultaneous equation $y=x^2+2x-3$ and $y-5=2x-4$ ...
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Find the values of $w,x,y,z$
1 answer 93 views
Find the values of $w,x,y,z$Find the values of $w,x,y,z$ \ \begin{aligned} &amp;w+x+y=49 \\ &amp;x+y+z=30 \\ &amp;y+z+w=35 \\ &amp;z+w+x=42 \end{aligned} \ ...
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Solve $8^{x}=\frac{2^{56}-4^{26}}{30}$
1 answer 117 views
Solve $8^{x}=\frac{2^{56}-4^{26}}{30}$Solve $8^{x}=\frac{2^{56}-4^{26}}{30}$ ...
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How do I solve this recurrence with substitution method $T(n)=T(n-2)+2^ n$ ?
0 answers 120 views
How do I solve this recurrence with substitution method $T(n)=T(n-2)+2^ n$ ?How do I solve this recurrence with substitution method $T(n)=T(n-2)+2^ n$ ? ...
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Subtract $\quad-4 x+8 y+6$ from $2 x+3 y-1$
0 answers 43 views
Subtract $\quad-4 x+8 y+6$ from $2 x+3 y-1$Subtract $\quad-4 x+8 y+6$ from $2 x+3 y-1$ ...
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The HCF of $12 x^{2} y ; 42 x^{3} y^{2} ; 27 x y$ is:
0 answers 42 views
The HCF of $12 x^{2} y ; 42 x^{3} y^{2} ; 27 x y$ is:The HCF of $12 x^{2} y ; 42 x^{3} y^{2} ; 27 x y$ is: ...
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Solve for $y: 3 y-5=y+8$
1 answer 79 views
Solve for $y: 3 y-5=y+8$Solve for $y: 3 y-5=y+8$ ...
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Solve $\frac{3 x^{2}+x-1}{1}+\frac{1}{3 x^{2}+x-3}=0$
1 answer 61 views
Solve $\frac{3 x^{2}+x-1}{1}+\frac{1}{3 x^{2}+x-3}=0$Solve $\dfrac{3 x^{2}+x-1}{1}+\dfrac{1}{3 x^{2}+x-3}=0$ ...
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Consider the system of equations \begin{aligned} &x+y-z=a \\ &x-y+2 z=b . \end{aligned}
0 answers 51 views
Consider the system of equations \begin{aligned} &x+y-z=a \\ &x-y+2 z=b . \end{aligned}Consider the system of equations \ \begin{aligned} &amp;x+y-z=a \\ &amp;x-y+2 z=b . \end{aligned} \ a) Find the general solution of the homogeneous ...
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Consider the system of linear equations
0 answers 45 views
Consider the system of linear equationsConsider the system of linear equations \ \begin{array}{rc} k x+y+z &amp; =1 \\ x+k y+z &amp; =1 \\ x+y+k z &amp; =1 \end{array} \ For what value(s) ...
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Solve the equations for $x, y$, and $z$.
0 answers 86 views
Solve the equations for $x, y$, and $z$.Solve the equations for $x, y$, and $z$. $x+0 y+3 z=2$ $2 x+3 y+2 z=1$ $2 x+2 y+3 z=3$ HINT: If $A=\left(\begin{array}{lll}2 &amp; 3 & ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Solve the equation \(4 y^{2}-12 y+9=0$
0 answers 52 views
Solve the equation $4 y^{2}-12 y+9=0$Solve the equation $4 y^{2}-12 y+9=0$ ...
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(a) Solve the equation: $x^{2}-9 x+8=0$ (b) Hence solve the equation: $y^{3}-9 y^{\frac{3}{2}}+8=0$
1 answer 89 views
(a) Solve the equation: $x^{2}-9 x+8=0$ (b) Hence solve the equation: $y^{3}-9 y^{\frac{3}{2}}+8=0$(a) Solve the equation: $x^{2}-9 x+8=0$ (b) Hence solve the equation: $y^{3}-9 y^{\frac{3}{2}}+8=0$ ...
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Solve the equation $8^{2 x-5}=2^{x+1}$
1 answer 65 views
Solve the equation $8^{2 x-5}=2^{x+1}$Solve the equation $8^{2 x-5}=2^{x+1}$ ...
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Solve the equation $\frac{1}{3}(1-x)^3=9$
1 answer 72 views
Solve the equation $\frac{1}{3}(1-x)^3=9$Solve the equation $\frac{1}{3}(1-x)^3=9$ ...
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Solve the following system of differential equation
0 answers 58 views
Solve the following system of differential equationSolve the following pair of differential equation $\frac{dx}{dt} =2x+6y$ $\frac{dy}{dt} = 2x+2y$ &nbsp; with the conditons $x(0)=0$ and $y(0)=4$ ...
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Solve simultaneously for x and y
1 answer 84 views
Solve simultaneously for x and ySolve simultaneously for $x$ and $y$ $x+y=3$ $2x^2+4xy-y=15$ ...
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Suppose $A=\left[\begin{array}{ccc}0 & 5 & -1 \\ 2 & 1 & 4\end{array}\right]$ and $B=\left[\begin{array}{cc}4 & -1 \\ 2 & 10\end{array}\right]$
1 answer 318 views
Suppose $A=\left[\begin{array}{ccc}0 & 5 & -1 \\ 2 & 1 & 4\end{array}\right]$ and $B=\left[\begin{array}{cc}4 & -1 \\ 2 & 10\end{array}\right]$Suppose $A=\left\begin{array}{ccc}0 &amp; 5 &amp; -1 \\ 2 &amp; 1 &amp; 4\end{array}\right$ and $B=\left\begin{array}{cc}4 &amp; -1 \\ 2 &amp; 1 ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Suppose \(A=\left[\begin{array}{cc}1 & 3 \\ -1 & 2\end{array}\right]$ and $B=\left[\begin{array}{c}10 \\ 5\end{array}\right]$.
1 answer 286 views
Suppose $A=\left[\begin{array}{cc}1 & 3 \\ -1 & 2\end{array}\right]$ and $B=\left[\begin{array}{c}10 \\ 5\end{array}\right]$.Suppose $A=\left\begin{array}{cc}1 &amp; 3 \\ -1 &amp; 2\end{array}\right$ and $B=\left\begin{array}{c}10 \\ 5\end{array}\right$. a. Find $A ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Suppose \(A=\left[\begin{array}{cc}0 & -2 \\ 3 & 1 \\ -1 & 4\end{array}\right]$ and $B=\left[\begin{array}{cc}3 & 1 \\ 2 & -2 \\ 0 & -2\end{array}\right]$
1 answer 293 views
Suppose $A=\left[\begin{array}{cc}0 & -2 \\ 3 & 1 \\ -1 & 4\end{array}\right]$ and $B=\left[\begin{array}{cc}3 & 1 \\ 2 & -2 \\ 0 & -2\end{array}\right]$Suppose $A=\left\begin{array}{cc}0 &amp; -2 \\ 3 &amp; 1 \\ -1 &amp; 4\end{array}\right$ and $B=\left\begin{array}{cc}3 &amp; 1 \\ 2 &amp; -2 \\ ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Suppose \(A=\left[\begin{array}{cc}0 & -2 \\ 3 & 1 \\ -1 & 4\end{array}\right]$ and $B=\left[\begin{array}{cc}3 & 1 \\ 2 & -2 \\ 0 & -2\end{array}\right]$
1 answer 297 views
Suppose $A=\left[\begin{array}{cc}0 & -2 \\ 3 & 1 \\ -1 & 4\end{array}\right]$ and $B=\left[\begin{array}{cc}3 & 1 \\ 2 & -2 \\ 0 & -2\end{array}\right]$Suppose $A=\left\begin{array}{cc}0 &amp; -2 \\ 3 &amp; 1 \\ -1 &amp; 4\end{array}\right$ and $B=\left\begin{array}{cc}3 &amp; 1 \\ 2 &amp; -2 \\ ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 For the matrix $A=\left[\begin{array}{ccc} 1 & 0 & -3 \\ 2 & 3 & 4 \end{array}\right]$ Compute \(3 A$.
1 answer 239 views
For the matrix $A=\left[\begin{array}{ccc} 1 & 0 & -3 \\ 2 & 3 & 4 \end{array}\right]$ Compute $3 A$.For the matrix \ A=\left\begin{array}{ccc} 1 &amp; 0 &amp; -3 \\ 2 &amp; 3 &amp; 4 \end{array}\right \ Compute $3 A$. ...
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Suppose you are given the matrix $A=\left[\begin{array}{cc} 1 & -2 \\ 3 & 0 \\ -1 & 5 \end{array}\right]$
1 answer 311 views
Suppose you are given the matrix $A=\left[\begin{array}{cc} 1 & -2 \\ 3 & 0 \\ -1 & 5 \end{array}\right]$Suppose you are given the matrix \ A=\left\begin{array}{cc} 1 &amp; -2 \\ 3 &amp; 0 \\ -1 &amp; 5 \end{array}\right \ a. Find the size of the matr ...
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Solve the system of equations below with Gauss-Jordan elimination. \begin{aligned} x+y-z &=10 \\ 2 x-y-z &=3 \\ -3 x-3 y+3 z &=-30 \end{aligned}
1 answer 105 views
Solve the system of equations below with Gauss-Jordan elimination. \begin{aligned} x+y-z &=10 \\ 2 x-y-z &=3 \\ -3 x-3 y+3 z &=-30 \end{aligned}Solve the system of equations below with Gauss-Jordan elimination. \ \begin{aligned} x+y-z &amp;=10 \\ 2 x-y-z &amp;=3 \\ -3 x-3 y+3 z &amp;=-30 \end ...
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Solve the system of equations below with GaussJordan elimination. \begin{aligned} x+\quad y+\quad z &=120 \\ 0.04 x+0.06 y+0.1 z &=6 \end{aligned}
1 answer 115 views
Solve the system of equations below with GaussJordan elimination. \begin{aligned} x+\quad y+\quad z &=120 \\ 0.04 x+0.06 y+0.1 z &=6 \end{aligned}Solve the system of equations below with GaussJordan elimination. \ \begin{aligned} x+\quad y+\quad z &amp;=120 \\ 0.04 x+0.06 y+0.1 z &amp;=6 \end{a ...
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Do all systems of linear equations have unique solutions?
1 answer 62 views
Do all systems of linear equations have unique solutions?Do all systems of linear equations have unique solutions? ...
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Solve the system of equations below with GaussJordan elimination. \begin{aligned} x+\quad y &=10 \\ 0.08 x+0.12 y &=0.84 \end{aligned}
1 answer 111 views
Solve the system of equations below with GaussJordan elimination. \begin{aligned} x+\quad y &=10 \\ 0.08 x+0.12 y &=0.84 \end{aligned}Solve the system of equations below with GaussJordan elimination. \ \begin{aligned} x+\quad y &amp;=10 \\ 0.08 x+0.12 y &amp;=0.84 \end{aligned} \ ...
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Solve the system of equations below with Gauss-Jordan elimination.
0 answers 60 views
Solve the system of equations below with Gauss-Jordan elimination.Solve the system of equations below with Gauss-Jordan elimination. \ \begin{aligned} &amp;2 x+5 y=-6 \\ &amp;-3 x+y=-8 \end{aligned} \ ...
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1 answer 255 views
Using the variables $x, y$ and $z$, write the solution corresponding to the augmented matrix $\left[\begin{array}{ccc|c} 1 & 0 & 0 & -1 \\ 0 & 1 & 0 & 5 \\ 0 & 0 & 1 & 2 \end{array}\right]$Using the variables $x, y$ and $z$, write the solution corresponding to the augmented matrix \ \left\begin{array}{ccc|c} 1 &amp; 0 &amp; 0 &amp; ...
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1 answer 206 views
Using the variables $x, y$ and $z$, write the solution corresponding to the augmented matrix $\left[\begin{array}{ccc|c} 1 & 0 & 0 & 4 \\ 0 & 1 & 0 & 2 \\ 0 & 0 & 1 & -1 \end{array}\right]$Using the variables $x, y$ and $z$, write the solution corresponding to the augmented matrix \ \left\begin{array}{ccc|c} 1 &amp; 0 &amp; 0 &amp; ...
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Write an augmented matrix for each of the system of equations below.
1 answer 99 views
Write an augmented matrix for each of the system of equations below.Write an augmented matrix for each of the system of equations below. a. \ \begin{gathered} 2 x+3 y=9 \\ x-y=-1 \end{gathered} \ b. \begin{aligned ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Suppose you are given the matrix 1 answer 85 views Suppose you are given the matrixSuppose you are given the matrix \(A=\left\begin{array}{cc}1 &amp; -2 \\ 3 &amp; 0 \\ -1 &amp; 5\end{array}\right a. Find the size of the matrix ...
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What is a matrix?
1 answer 59 views
What is a matrix?What is a matrix? ...
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Solve the following system of equations. \begin{aligned} &x-y=2 \\ &x+2 y=11 \\ &-2 x+5 y=5 \end{aligned}
1 answer 105 views
Solve the following system of equations. \begin{aligned} &x-y=2 \\ &x+2 y=11 \\ &-2 x+5 y=5 \end{aligned}Solve the following system of equations. \ \begin{aligned} &amp;x-y=2 \\ &amp;x+2 y=11 \\ &amp;-2 x+5 y=5 \end{aligned} \ ...
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Solve the following system of equations. \begin{aligned} &x-3 y=-1 \\ &x+y=7 \\ &2 x+5 y=20 \end{aligned}
1 answer 82 views
Solve the following system of equations. \begin{aligned} &x-3 y=-1 \\ &x+y=7 \\ &2 x+5 y=20 \end{aligned}Solve the following system of equations. \ \begin{aligned} &amp;x-3 y=-1 \\ &amp;x+y=7 \\ &amp;2 x+5 y=20 \end{aligned} \ ...
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Solve the following system of equations. Let $z$ be the parameter. \begin{aligned} &x+2 y+3 z=1 \\ &2 x+y-z=6 \end{aligned}
1 answer 200 views
Solve the following system of equations. Let $z$ be the parameter. \begin{aligned} &x+2 y+3 z=1 \\ &2 x+y-z=6 \end{aligned}Solve the following system of equations. Let $z$ be the parameter. \ \begin{aligned} &amp;x+2 y+3 z=1 \\ &amp;2 x+y-z=6 \end{aligned} \ ...
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Solve the following system of equations. Let $z$ be the parameter. \begin{aligned} &x+3 y+6 z=19 \\ &2 x-3 y+3 z=2 \end{aligned}
1 answer 121 views
Solve the following system of equations. Let $z$ be the parameter. \begin{aligned} &x+3 y+6 z=19 \\ &2 x-3 y+3 z=2 \end{aligned}Solve the following system of equations. Let $z$ be the parameter. \ \begin{aligned} &amp;x+3 y+6 z=19 \\ &amp;2 x-3 y+3 z=2 \end{aligned} \ ...
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For the following system of equations, tell how many solutions there are in nonnegative integers. $\begin{array}{r} x+3 y+z=82 \\ 7 y+2 z=42 \end{array}$
0 answers 61 views
For the following system of equations, tell how many solutions there are in nonnegative integers. $\begin{array}{r} x+3 y+z=82 \\ 7 y+2 z=42 \end{array}$For the following system of equations, tell how many solutions there are in nonnegative integers. \ \begin{array}{r} x+3 y+z=82 \\ 7 y+2 z=42 \end{ar ...
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1 answer 99 views
For the following system of equations, tell how many solutions there are that are positive and result in $z$ being a positive integer. $\begin{array}{r} x+2 y+z=88 \\ 7 y+3 z=84 \end{array}$For the following system of equations, tell how many solutions there are that are positive and result in $z$ being a positive integer. \ \begin{arr ...
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Solve the system of two equations in two unknowns. \begin{aligned} &2 x-3 y=5 \\ &8 x-12 y=20 \end{aligned}
1 answer 162 views
Solve the system of two equations in two unknowns. \begin{aligned} &2 x-3 y=5 \\ &8 x-12 y=20 \end{aligned}Solve the system of two equations in two unknowns. \ \begin{aligned} &amp;2 x-3 y=5 \\ &amp;8 x-12 y=20 \end{aligned} \ ...
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Solve the system of two equations in two unknowns. \begin{aligned} &5 x+6 y=1 \\ &15 x+18 y=3 \end{aligned}
1 answer 207 views
Solve the system of two equations in two unknowns. \begin{aligned} &5 x+6 y=1 \\ &15 x+18 y=3 \end{aligned}Solve the system of two equations in two unknowns. \ \begin{aligned} &amp;5 x+6 y=1 \\ &amp;15 x+18 y=3 \end{aligned} \ ...
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Solve the system of two equations in two unknowns. \begin{aligned} &y=5 x+2 \\ &-10 x+2 y=1 \end{aligned}
1 answer 207 views
Solve the system of two equations in two unknowns. \begin{aligned} &y=5 x+2 \\ &-10 x+2 y=1 \end{aligned}Solve the system of two equations in two unknowns. \ \begin{aligned} &amp;y=5 x+2 \\ &amp;-10 x+2 y=1 \end{aligned} \ ...
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Solve the system of two equations in two unknowns. \begin{aligned} &x=1-2 y \\ &3 x+6 y=10 \end{aligned}
1 answer 197 views
Solve the system of two equations in two unknowns. \begin{aligned} &x=1-2 y \\ &3 x+6 y=10 \end{aligned}Solve the system of two equations in two unknowns. \ \begin{aligned} &amp;x=1-2 y \\ &amp;3 x+6 y=10 \end{aligned} \ ...
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Does every system of equations have a unique solution?
1 answer 113 views
Does every system of equations have a unique solution?Does every system of equations have a unique solution? ...
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Solve the system of equations by the Elimination Method. \begin{aligned} &0.5 x-0.25 y=-0.5 \\ &-2 x+3 y=10 \end{aligned}
1 answer 166 views
Solve the system of equations by the Elimination Method. \begin{aligned} &0.5 x-0.25 y=-0.5 \\ &-2 x+3 y=10 \end{aligned}Solve the system of equations by the Elimination Method. \ \begin{aligned} &amp;0.5 x-0.25 y=-0.5 \\ &amp;-2 x+3 y=10 \end{aligned} \ ...
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Solve the system of equations by the Elimination Method. \begin{aligned} &0.1 x+0.3 y=1.4 \\ &9 x-3 y=-24 \end{aligned}
1 answer 158 views
Solve the system of equations by the Elimination Method. \begin{aligned} &0.1 x+0.3 y=1.4 \\ &9 x-3 y=-24 \end{aligned}Solve the system of equations by the Elimination Method. \ \begin{aligned} &amp;0.1 x+0.3 y=1.4 \\ &amp;9 x-3 y=-24 \end{aligned} \ ...
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Solve the system of equations by the Elimination Method. \begin{aligned} &-2 x-5 y=18 \\ &10 x+2 y=2 \end{aligned}
1 answer 137 views
Solve the system of equations by the Elimination Method. \begin{aligned} &-2 x-5 y=18 \\ &10 x+2 y=2 \end{aligned}Solve the system of equations by the Elimination Method. \ \begin{aligned} &amp;-2 x-5 y=18 \\ &amp;10 x+2 y=2 \end{aligned} \ ...
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Solve the system of equations by the Elimination Method. \begin{aligned} &2 x+3 y=-1 \\ &7 x-6 y=13 \end{aligned}
1 answer 168 views
Solve the system of equations by the Elimination Method. \begin{aligned} &2 x+3 y=-1 \\ &7 x-6 y=13 \end{aligned}Solve the system of equations by the Elimination Method. \ \begin{aligned} &amp;2 x+3 y=-1 \\ &amp;7 x-6 y=13 \end{aligned} \ ...
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