Algebra 2HardSystems of Equations

Systems of Equations · Hard problem

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

\begin{cases} - 3 x + 3 y - 5 z = 4 \\ 4 x - 3 y + 2 z = -7 \\ 5 x + 4 y + 4 z = 16 \end{cases}