\[\left\{ \begin{matrix} x = - 2\ \ \ \ \ \ \ \\ 2x - y = 1 \\ \end{matrix} \right.\ \text{\ \ \ \ \ \ \ \ \ \ }\left\{ \begin{matrix} x = - 2\ \ \ \ \ \ \ \ \\ y = 2x - 1 \\ \end{matrix} \right.\ \]
\[y = 2x - 1\]
\[x\] | \[0\] | \[1\] |
---|---|---|
\[y\] | \[- 1\] | \[1\] |
\(\ \)
\[Ответ:( - 2;\ - 5).\]