Solve the System by the Substitution Method $$\left\{ \begin{aligned}y & = - 3 x + 13 \\2 x + 9 y & = - 8\end{aligned} \right.$$

question 50

Multiple Choice

Solve the system by the substitution method.
- $$\left\{ \begin{aligned}y & = - 3 x + 13 \\2 x + 9 y & = - 8\end{aligned} \right.$$

• A) \(\{ ( - 5,2 ) \}\)
• B) \(\varnothing\)
• C) \(\{ ( 5 , - 2 ) \}\)
• D) \(\{ ( x , y ) \mid 3 x + y = 13 \}\)

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