Algebra 1MediumSystems of Equations ShareSystems of Equations · Medium problemSolve the system for xxx and yyy.{2x−7y=−455x+9y=126\begin{cases} 2 x - 7 y = -45 \\ 5 x + 9 y = 126 \end{cases}{2x−7y=−455x+9y=126 Show answer Walk through it step by step Practice more like this Review this concept