Solve Systems of Linear Equations in Three Variables
- $$\begin{array} { l } x - y + z = 2 \\x + y + z = 0 \\x + y - z = - 6\end{array}$$

Multiple Choice

Solve Systems of Linear Equations in Three Variables
- $$\begin{array} { l } x - y + z = 2 \\x + y + z = 0 \\x + y - z = - 6\end{array}$$

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