Solve the system of equations by the substitution method.
-$\left\{ \begin{array} { l }
- 3 y + 4 y = - 7 x + 2 ( x + 1 ) + 7 x - 1 \
5 ( x + y ) - x + y = 22
\end{array} \right.$

A) infinite number of solutions
B) no solution
C) $( 3,1 )$
D) $( 1,3 )$

Question

Solve the system of equations by the substitution method.
-$\left\{ \begin{array} { l } 
- 3 y + 4 y = - 7 x + 2 ( x + 1 ) + 7 x - 1 \
5 ( x + y ) - x + y = 22
\end{array} \right.$

A) infinite number of solutions
B) no solution
C) $( 3,1 )$
D) $( 1,3 )$

Quizplus · Accepted Answer

The Answer of Solve the system of equations by the substitution method.
-$\left\{ \begin{array} { l } 
- 3 y + 4 y = - 7 x + 2 ( x + 1 ) + 7 x - 1 \
5 ( x + y ) - x + y = 22
\end{array} \right.$

A) infinite number of solutions
B) no solution
C) $( 3,1 )$
D) $( 1,3 )$

Solve the System of Equations by the Substitution Method {−3y+4y=−7x+2(x+1)+7x−15(x+y)−x+y=22\left\{ \begin{array} { l } - 3 y + 4 y = - 7 x + 2 ( x + 1 ) + 7 x - 1 \\5 ( x + y ) - x + y = 22\end{array} \right.{−3y+4y=−7x+2(x+1)+7x−15(x+y)−x+y=22​

Solve the System of Equations by the Substitution Method $\left\{ \begin{array} { l } - 3 y + 4 y = - 7 x + 2 ( x + 1 ) + 7 x - 1 \\5 ( x + y ) - x + y = 22\end{array} \right.$