Solve the System of Equations $\mathrm{z}$
- $x+y+z=-3$ $x-y+2 z=-1$ $3 x+y+z=-1$

Multiple Choice

Solve the system of equations. If the system is dependent, express solutions in terms of the parameter $\mathrm{z}$ .
- $x+y+z=-3$
$x-y+2 z=-1$
$3 x+y+z=-1$

A) $(-3,1,-1)$
B) No solution
C) $(1,-2,-2)$
D) $(-3,-1,1)$