Solve the System of Equations $\left( \begin{array} { l } 3 x - y = 8 \\6 x - 2 y = - 1\end{array} \right)$

Solve the system of equations. $\left( \begin{array} { l } 3 x - y = 8 \\6 x - 2 y = - 1\end{array} \right)$