\[\left\{ \begin{matrix} 3x - y = 3\ \ | \cdot 2 \\ 5x + 2y = 16\ \ \ \ \\ \end{matrix} \right.\ \]
\[\left\{ \begin{matrix} 6x - 2y = 6\ \ \ \\ 5x + 2y = 16 \\ \end{matrix} \right.\ ( + )\]
\[11x = 22\]
\[x = 2.\]
\[y = 3x - 3 = 3 \cdot 2 - 3 = 3.\]
\[Ответ:(2;3).\]