Solve the system of equations by the substitution method.
-$\left\{ \begin{array} { l }
x + 8 y = - 7 \
- 7 x + 7 y = - 77
\end{array} \right.$
A) $( - 9 , - 1 )$
B) $( 8 , - 1 )$
C) no solution
D) $( 9 , - 2 )$

Question

Solve the system of equations by the substitution method.
-$\left\{ \begin{array} { l } 
x + 8 y = - 7 \
- 7 x + 7 y = - 77
\end{array} \right.$
A) $( - 9 , - 1 )$
B) $( 8 , - 1 )$
C) no solution
D) $( 9 , - 2 )$

Quizplus · Accepted Answer

The Answer of Solve the system of equations by the substitution method.
-$\left\{ \begin{array} { l } 
x + 8 y = - 7 \
- 7 x + 7 y = - 77
\end{array} \right.$
A) $( - 9 , - 1 )$
B) $( 8 , - 1 )$
C) no solution
D) $( 9 , - 2 )$

Solve the System of Equations by the Substitution Method {x+8y=−7−7x+7y=−77\left\{ \begin{array} { l } x + 8 y = - 7 \\- 7 x + 7 y = - 77\end{array} \right.{x+8y=−7−7x+7y=−77​

Solve the System of Equations by the Substitution Method $\left\{ \begin{array} { l } x + 8 y = - 7 \\- 7 x + 7 y = - 77\end{array} \right.$