Solve the System by Using the Inverse of the Coefficient $x+3 y+4 z=18$

Multiple Choice

Solve the system by using the inverse of the coefficient matrix.
- $x+3 y+4 z=18$
$4 y+3 z=22$
$\mathrm{z}=2$

A) No solution
B) $(-2,4,2)$
C) $(-2,2,4)$
D) $(2,4,-2)$