$9 x-9 y-6 z=-11$ $6 x+3 y-3 z=1$ $\mathrm{x}-\mathrm{y}+2 \mathrm{z}=-3$

Multiple Choice

$9 x-9 y-6 z=-11$
$6 x+3 y-3 z=1$
$\mathrm{x}-\mathrm{y}+2 \mathrm{z}=-3$

A) $\left(-\frac{2}{3}, 1,-\frac{2}{3}\right)$
B) $\left(-\frac{2}{3},-\frac{2}{3}, 1\right)$
C) $\left(\frac{1}{9}, 0,2\right)$
D) $\left(\frac{2}{3}, 1,-\frac{2}{3}\right)$