Algebra 2HardSystems of Equations ShareSystems of Equations · Hard problemSolve the system for xxx, yyy and zzz.{5y+5z=−103x−5y−2z=−114x−2y−z=−9\begin{cases} 5 y + 5 z = -10 \\ 3 x - 5 y - 2 z = -11 \\ 4 x - 2 y - z = -9 \end{cases}⎩⎨⎧5y+5z=−103x−5y−2z=−114x−2y−z=−9 Show answer Walk through it step by step Practice more like this Review this concept