Algebra 1MediumSystems of Equations ShareSystems of Equations · Medium problemSolve the system for xxx and yyy.{4x+7y=−17−4x+6y=30\begin{cases} 4 x + 7 y = -17 \\ - 4 x + 6 y = 30 \end{cases}{4x+7y=−17−4x+6y=30 Show answer Walk through it step by step Practice more like this Review this concept