Solve the System of Linear Equations Using Matrices $$\left\{ \begin{array} { l } x + y = - 6 \\x - y = 2\end{array} \right.$$

Multiple Choice

Solve the system of linear equations using matrices.
- $$\left\{ \begin{array} { l } x + y = - 6 \\x - y = 2\end{array} \right.$$

A) $( - 2 , - 4 )$
B) $( - 4 , - 2 )$
C) $( - 2,4 )$
D) $\varnothing$