Solve the System of Equations by Using the Addition Method $$\begin{array} { l } 2 ( x - y ) = y - 2 \\- 3 x + 12 = - 2 y\end{array}$$

Solve the system of equations by using the addition method.
- $$\begin{array} { l } 2 ( x - y ) = y - 2 \\- 3 x + 12 = - 2 y\end{array}$$

A) $\{ ( 8,9 ) \}$
B) $\{ ( 0 , - 6 ) \}$
C) $\{ ( 8,6 ) \}$
D) $\{ ( - 6,0 ) \}$