$\left\{ \begin{aligned}x - y + 8 z & = - 107 \\6 x + z & = 17 \\3 y - 5 z & = 89\end{aligned} \right.$

Multiple Choice

$\left\{ \begin{aligned}x - y + 8 z & = - 107 \\6 x + z & = 17 \\3 y - 5 z & = 89\end{aligned} \right.$

A) x=-5, y=8, z=13
B) x=5, y=-8, z=-13
C) x=-5, y=-8, z=13
D) x=5, y=8, z=-13