\[\left\{ \begin{matrix} y - 2x = 4 \\ x - 3y = 2 \\ \end{matrix} \right.\ \]
\[\left\{ \begin{matrix} y = 2x + 4 \\ 3y = x - 2 \\ \end{matrix} \right.\ \]
\[\left\{ \begin{matrix} y = 2x + 4 \\ y = \frac{x}{3} - \frac{2}{3}\text{\ \ } \\ \end{matrix} \right.\ \]
\[Ответ:\ ( - 2,8; - 1,4).\]