Solve the System by the Addition Method $$\begin{aligned}x + 6 y & = 11 \\4 x + 5 y & = - 13\end{aligned}$$

Multiple Choice

Solve the system by the addition method.
- $$\begin{aligned}x + 6 y & = 11 \\4 x + 5 y & = - 13\end{aligned}$$

A) $\{ ( - 7,3 ) \}$
B) $\{ ( - 8,4 ) \}$
C) $\{ ( 7,4 ) \}$
D) $\varnothing$