Algebra 1HardSystems of Equations ShareSystems of Equations · Hard problemHow many solutions does this system have?{−x−5y=43x+15y=−12\begin{cases} - x - 5 y = 4 \\ 3 x + 15 y = -12 \end{cases}{−x−5y=43x+15y=−12Aexactly one solutionBinfinitely many solutionsCno solutionCheck Show answer Walk through it step by step Practice more like this Review this concept