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Algebra 2HardSystems of Equations

Systems of Equations · Hard problem

Solve the system for xx, yy and zz.

{−5x+3y−4z=25x+2y+2z=−5−2x−3y−5z=−17\begin{cases} - 5 x + 3 y - 4 z = 2 \\ 5 x + 2 y + 2 z = -5 \\ - 2 x - 3 y - 5 z = -17 \end{cases}