Solve the System of Equations A) $( 8,8,0 )$ B) $( - 8,0,0 )$

Multiple Choice

Solve the system of equations.
- $$\begin{aligned}x _ { 1 } - x _ { 2 } + 3 x _ { 3 } & = - 8 \\2 x _ { 1 } + x _ { 3 } & = 0 \\x _ { 1 } + 5 x _ { 2 } + x _ { 3 } & = 40\end{aligned}$$

A) $( 8,8,0 )$
B) $( - 8,0,0 )$
C) $( 0,8,0 )$
D) $( 0 , - 8 , - 8 )$