Solve the System of Equations Using Matrices $x+9 y-8 z=60$ $9 x+y+z=53$

Multiple Choice

Solve the system of equations using matrices.
- $x+9 y-8 z=60$
$9 x+y+z=53$
$9 \mathrm{x}-5 \mathrm{y}-\mathrm{z}=9$

A) $(5,1,7)$
B) $(7,1,5)$
C) $(5,7,1)$
D) $(-5,7,10)$