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

Multiple Choice

Solve the system by using the inverse of the coefficient matrix.
- $x+y+z=-3$
$x-y+3 z=-21$
$4 \mathrm{x}+\mathrm{y}+\mathrm{z}=-9$

A) $(-2,4,-5)$
B) $(-5,-2,4)$
C) $(-5,4,-2)$
D) No solution