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Algebra 2HardSystems of Equations

Systems of Equations · Hard problem

Solve the system for xx, yy and zz.

{−4x−3y−3z=203x+5y−z=−12x+5y−3z=−8\begin{cases} - 4 x - 3 y - 3 z = 20 \\ 3 x + 5 y - z = -12 \\ x + 5 y - 3 z = -8 \end{cases}