Solve the System of Equations $$\begin{aligned}x + y & = - 3 \\3 x - 3 y + 2 z & = 11 \\x - z & = - 5\end{aligned}$$

Multiple Choice

Solve the system of equations.
- $$\begin{aligned}x + y & = - 3 \\3 x - 3 y + 2 z & = 11 \\x - z & = - 5\end{aligned}$$

A) $\{ ( - 1,4 , - 2 ) \}$
B) $\{ ( 4 , - 2 , - 1 ) \}$
C) $\{ ( 4 , - 1 , - 2 ) \}$
D) $\{ ( - 1 , - 2,4 ) \}$