Solve the System by the Addition Method $$\left\{ \begin{array} { l } 3 x - 5 y = - 12 \\6 x + 8 y = - 24\end{array} \right.$$

Multiple Choice

Solve the system by the addition method.
- $$\left\{ \begin{array} { l } 3 x - 5 y = - 12 \\6 x + 8 y = - 24\end{array} \right.$$

A) $\varnothing$
B) $\{ ( 4,0 ) \}$
C) $\{ ( - 4,0 ) \}$
D) $\{ ( x , y ) \mid 3 x - 5 y = - 12 \}$