Use Matrices to Solve the System of Equations $\left\{ \begin{array} { l } 3 x + y = 13 \\x + 3 y = - 1\end{array} \right.$

Short Answer

Use matrices to solve the system of equations. If the equations of the system are dependent, or if the system is inconsistent, so indicate. $\left\{ \begin{array} { l } 3 x + y = 13 \\x + 3 y = - 1\end{array} \right.$