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Algebra 2HardSystems of Equations

Systems of Equations · Hard problem

Solve the system for xx, yy and zz.

{−5y+2z=−312x−5y+5z=−284x−3y+4z=−3\begin{cases} - 5 y + 2 z = -31 \\ 2 x - 5 y + 5 z = -28 \\ 4 x - 3 y + 4 z = -3 \end{cases}