Algebra 2HardSystems of Equations

Systems of Equations · Hard problem

Solve the system for $x$ , $y$ and $z$ .

\begin{cases} - 3 x + 3 y - z = 6 \\ - 5 x - y - 5 z = 36 \\ - 2 x + 3 y + 4 z = -25 \end{cases}