Algebra 2HardSystems of Equations ShareSystems of Equations · Hard problemSolve the system for xxx, yyy and zzz.{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}⎩⎨⎧4x−y+4z=−62y+5z=14x−y+2z=−1 Show answer Walk through it step by step Practice more like this Review this concept