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

\[Ответ:( - 2;\ - 2).\]