$\left\{ \begin{aligned}x + 5 y + 2 z & = 33 \\5 y + 5 z & = 45 \\z & = 5\end{aligned} \right.$

Multiple Choice

$\left\{ \begin{aligned}x + 5 y + 2 z & = 33 \\5 y + 5 z & = 45 \\z & = 5\end{aligned} \right.$

A) x=5, y=4, z=3
B) No solution
C) x=3, y=4, z=5
D) x=3, y=5, z=4