Solve the System $(x, y, z, w)$
- $5 x+y-3 z+w=-20$

Multiple Choice

Solve the system. Express the solution in the form $(x, y, z, w)$ .
- $5 x+y-3 z+w=-20$
$\begin{aligned}-x+5 y+z-5 w & =20 \\ 3 x-y+5 z+3 w & =20 \\ x+y-5 z-w & =-26\end{aligned}$

A) $\{(-2,0,7,1) \}$
B) $\{(-1,-6,12,5) \}$
C) $\{(1,-2,6,-5) \}$
D) $\{(1,-4,0,5) \}$