Algebra 1HardSystems of Equations ShareSystems of Equations · Hard problemHow many solutions does this system have?{−3x+3y=−19x−9y=3\begin{cases} - 3 x + 3 y = -1 \\ 9 x - 9 y = 3 \end{cases}{−3x+3y=−19x−9y=3Aexactly one solutionBinfinitely many solutionsCno solutionCheck Show answer Walk through it step by step Practice more like this Review this concept