Algebra 1MediumSystems of Equations ShareSystems of Equations · Medium problemSolve the system for xxx and yyy.{−4x+9y=71−4x−7y=−41\begin{cases} - 4 x + 9 y = 71 \\ - 4 x - 7 y = -41 \end{cases}{−4x+9y=71−4x−7y=−41 Show answer Walk through it step by step Practice more like this Review this concept