Solve by Determinants $3 x+2 y-5 z+w=2$ $\begin{aligned}& x-2 y+z-w=2 \\& x+y+z+2 w=2 \\& x-y-z-3 w=-1\end{aligned}$

Short Answer

Solve by determinants: $3 x+2 y-5 z+w=2$
$\begin{aligned}& x-2 y+z-w=2 \\& x+y+z+2 w=2 \\& x-y-z-3 w=-1\end{aligned}$