Solve the System by the Addition Method $$\begin{array} { l } - 6 x + y = 10 \\9 x + 4 y = - 4\end{array}$$

Multiple Choice

Solve the system by the addition method.
- $$\begin{array} { l } - 6 x + y = 10 \\9 x + 4 y = - 4\end{array}$$

A) $\left\{ \left( - \frac { 4 } { 3 } , 2 \right] \right\}$
B) $\{ ( 1 , - 6 ) \}$
C) $\left\{ \left( 4 , - \frac { 19 } { 4 } \right) \right\}$
D) $\left\{ \left( - \frac { 1 } { 3 } , 8 \right) \right\}$