Solve the System of Four Equations in Four Unknowns Using $-\mathrm{w}+\mathrm{x}+\mathrm{y}+\mathrm{z}=7$

Multiple Choice

Solve the system of four equations in four unknowns using matrices.
- $-\mathrm{w}+\mathrm{x}+\mathrm{y}+\mathrm{z}=7$
$\mathrm{w}+\mathrm{x}+\mathrm{y}-\mathrm{z}=3$
$\mathrm{w}+2 \mathrm{x}+3 \mathrm{y}+\mathrm{z}=19$
$3 \mathrm{w}-\mathrm{x}+\mathrm{y}+2 \mathrm{z}=16$

A) $(1,4,5,3)$
B) $(3,4,1,5)$
C) $(4,1,3,5)$
D) $(0,4,0,1)$