Algebra 1MediumSystems of Equations ShareSystems of Equations · Medium problemSolve the system for xxx and yyy.{−8x+8y=64−9x−y=−18\begin{cases} - 8 x + 8 y = 64 \\ - 9 x - y = -18 \end{cases}{−8x+8y=64−9x−y=−18 Show answer Walk through it step by step Practice more like this Review this concept