Solve the system of equations by the substitution method.
-$\left\{ \begin{array} { l }
- 6 y + 7 y = - 1 x + 2 ( x - 3 ) + 1 x + 3 \
5 ( x + y ) - x + y = - 2
\end{array} \right.$
A)(-1, 1)
B)(1, -1)
C)infinite number of solutions
D)no solution

Question

Solve the system of equations by the substitution method.
-$\left\{ \begin{array} { l } 
- 6 y + 7 y = - 1 x + 2 ( x - 3 ) + 1 x + 3 \
5 ( x + y ) - x + y = - 2
\end{array} \right.$
A)(-1, 1)
B)(1, -1)
C)infinite number of solutions
D)no solution

Quizplus · Accepted Answer

The Answer of Solve the system of equations by the substitution method.
-$\left\{ \begin{array} { l } 
- 6 y + 7 y = - 1 x + 2 ( x - 3 ) + 1 x + 3 \
5 ( x + y ) - x + y = - 2
\end{array} \right.$
A)(-1, 1)
B)(1, -1)
C)infinite number of solutions
D)no solution

Solve the System of Equations by the Substitution Method {−6y+7y=−1x+2(x−3)+1x+35(x+y)−x+y=−2\left\{ \begin{array} { l } - 6 y + 7 y = - 1 x + 2 ( x - 3 ) + 1 x + 3 \\5 ( x + y ) - x + y = - 2\end{array} \right.{−6y+7y=−1x+2(x−3)+1x+35(x+y)−x+y=−2​

Solve the System of Equations by the Substitution Method $\left\{ \begin{array} { l } - 6 y + 7 y = - 1 x + 2 ( x - 3 ) + 1 x + 3 \\5 ( x + y ) - x + y = - 2\end{array} \right.$