Solve the System by Elimination $$\begin{array} { c } x + 3 y = - 15 \\- 3 x + 4 y = - 20\end{array}$$

Multiple Choice

Solve the system by elimination.
- $$\begin{array} { c } x + 3 y = - 15 \\- 3 x + 4 y = - 20\end{array}$$

A) $\varnothing$
B) $\{ ( 1 , - 6 ) \}$
C) $\{ ( 5,0 ) \}$
D) $\{ ( 0 , - 5 ) \}$