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

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) $\{ ( x , y ) \mid 3 x + y = 13 \}$