Solve the System of Equations $\left( \begin{array} { l } 3 x + 5 y = - 12 \\5 x - 6 y = - 20\end{array} \right)$

Short Answer

Solve the system of equations. $\left( \begin{array} { l } 3 x + 5 y = - 12 \\5 x - 6 y = - 20\end{array} \right)$