Algebra 2HardSystems of Equations

Systems of Equations · Hard problem

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

\begin{cases} - 5 y + z = 4 \\ - 5 x - 2 y + 3 z = -11 \\ - 3 x + 2 y + 5 z = -13 \end{cases}