Solve the System of Linear Equations $\left\{ \begin{array} { r } 2 x + 3 y = 11 \\3 x + 3 y = 9 \\x + z = 1\end{array} \right.$

Solve the system of linear equations. $\left\{ \begin{array} { r } 2 x + 3 y = 11 \\3 x + 3 y = 9 \\x + z = 1\end{array} \right.$