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Algebra 2HardSystems of Equations

Systems of Equations · Hard problem

Solve the system for xx, yy and zz.

{4x−y+4z=−62y+5z=14x−y+2z=−1\begin{cases} 4 x - y + 4 z = -6 \\ 2 y + 5 z = 14 \\ x - y + 2 z = -1 \end{cases}