Algebra 1MediumSystems of Equations ShareSystems of Equations · Medium problemSolve the system for xxx and yyy.{−5x−7y=459x−5y=7\begin{cases} - 5 x - 7 y = 45 \\ 9 x - 5 y = 7 \end{cases}{−5x−7y=459x−5y=7 Show answer Walk through it step by step Practice more like this Review this concept