\[\left\{ \begin{matrix}
2x - y = - 1 \\
x + y = - 2\ \ \ \\
\end{matrix} \right.\ \text{\ \ \ \ \ \ }\]
\[\left\{ \begin{matrix}
y = 2x + 1\ \ \ \ (1) \\
y = - x - 2\ \ \ (2) \\
\end{matrix} \right.\ \]
\[(1)\ \]
| \[x\] | \[0\] | \[1\] |
|---|---|---|
| \[y\] | \[1\] | \[3\] |
\[(2)\]
| \[x\] | \[0\] | 1 |
|---|---|---|
| \[y\] | \[- 2\] | \[- 3\] |

\[Ответ:( - 1;\ - 1).\]