Solve the system by substitution.
-$$\begin{array} { l }
- 2 x = 5 y + 20 \
- 31 = 3 y - 3 x
\end{array}$$
A) $\left\{ \left( - \frac { 122 } { 21 } , \frac { 95 } { 21 } \right) \right\}$
B) $\left\{ \left( - \frac { 95 } { 21 } , - \frac { 122 } { 21 } \right) \right\}$
C) $\left\{ \left( \frac { 95 } { 21 } , - \frac { 122 } { 21 } \right) \right\}$
D) $\left\{ \left( \frac { 85 } { 21 } , - \frac { 122 } { 21 } \right) \right\}$

Question

Solve the system by substitution.
-$$\begin{array} { l } 
- 2 x = 5 y + 20 \
- 31 = 3 y - 3 x
\end{array}$$
A) $\left\{ \left( - \frac { 122 } { 21 } , \frac { 95 } { 21 } \right) \right\}$
B) $\left\{ \left( - \frac { 95 } { 21 } , - \frac { 122 } { 21 } \right) \right\}$
C) $\left\{ \left( \frac { 95 } { 21 } , - \frac { 122 } { 21 } \right) \right\}$
D) $\left\{ \left( \frac { 85 } { 21 } , - \frac { 122 } { 21 } \right) \right\}$

Quizplus · Accepted Answer

The Answer is C

Solve the System by Substitution −2x=5y+20−31=3y−3x\begin{array} { l } - 2 x = 5 y + 20 \\- 31 = 3 y - 3 x\end{array}−2x=5y+20−31=3y−3x​

Solve the System by Substitution $\begin{array} { l } - 2 x = 5 y + 20 \\- 31 = 3 y - 3 x\end{array}$