MathCastle
Algebra 2HardSystems of Equations

Systems of Equations · Hard problem

Solve the system for xx, yy and zz.

{x−5y−4z=−22−3x−3y−5z=−75x−y+3z=−13\begin{cases} x - 5 y - 4 z = -22 \\ - 3 x - 3 y - 5 z = -7 \\ 5 x - y + 3 z = -13 \end{cases}