\[\left\{ \begin{matrix} 3x - y = 2\text{\ \ } \\ x + 2y = 10 \\ \end{matrix} \right.\ \]
\[\left\{ \begin{matrix} y = 3x - 2\ \ \\ 2y = 10 - x \\ \end{matrix} \right.\ \]
\[\left\{ \begin{matrix} y = 3x - 2 \\ y = 5 - \frac{x}{2}\text{\ \ } \\ \end{matrix} \right.\ \]
\[Ответ:(2;4).\]