Algebra 2HardSystems of Equations

Systems of Equations · Hard problem

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

\begin{cases} x - 5 y + z = -24 \\ 5 x + 2 y - 5 z = -18 \\ - 5 x - 2 y + 3 z = 6 \end{cases}