Solve the Linear System Using an Inverse Matrix $$\begin{aligned}x + 2 y + 3 z & = 1 \\x + y + z & = 10 \\x - 2 z & = 7\end{aligned}$$

Multiple Choice

Solve the linear system using an inverse matrix.
- $$\begin{aligned}x + 2 y + 3 z & = 1 \\x + y + z & = 10 \\x - 2 z & = 7\end{aligned}$$

A) $( 31 , - 33,12 )$
B) $( 21 , - 32,12 )$
C) $( 49,67,28 )$
D) $( 1,0,0 )$