Solve the System $\begin{array} { l } x - y + z = 0 \\x + y + z = - 4 \\x + y - z = - 6\end{array}$

Multiple Choice

Solve the system.
$\begin{array} { l } x - y + z = 0 \\x + y + z = - 4 \\x + y - z = - 6\end{array}$

A) $\{ ( 1 , - 3 , - 2 ) \}$
B) $\{ ( - 3,1 , - 2 ) \}$
C) $\{ ( - 3 , - 2,1 ) \}$
D) $\phi$