\[\boxed{\text{1026\ (1026).}\text{\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[x = 3 - 2y\]
\[x\] | \[- 1\] | \[3\] |
---|---|---|
\[y\] | \[2\] | \[0\] |
\(\ \)
\[Ответ:(1;1),\ ( - 3;3).\]
\[y = 3 + 2x\]
\[x\] | \[0\] | \[- 1\] |
---|---|---|
\[y\] | \[3\] | \[1\] |
\[y = 2x - 3\]
\[x\] | \[1\] | \[2\] |
---|---|---|
\[y\] | \[- 1\] | \[1\] |
\[x = 2y\]
\[x\] | \[0\] | \[4\] |
---|---|---|
\[y\] | \[0\] | \[2\] |
\(\ \)
\[Ответ:( - 2;\ - 1),(2;1).\]
\[\left\{ \begin{matrix} x - y = 2 \\ x - y = - 2 \\ x + y = 2 \\ x + y = - 2 \\ \end{matrix} \right.\ \text{\ \ \ \ \ \ \ }\left\{ \begin{matrix} y = x - 2 \\ y = x + 2 \\ y = 2 - x \\ y = - 2 - x \\ \end{matrix} \right.\ \]
\[y = x - 2\]
\[x\] | \[0\] | \[1\] |
---|---|---|
\[y\] | \[- 2\] | \[- 1\] |
\[y = x + 2\]
\[x\] | \[0\] | \[- 1\] |
---|---|---|
\[y\] | \[2\] | \[1\] |
\[y = 2 - x\]
\[x\] | \[0\] | \[1\] |
---|---|---|
\[y\] | \[2\] | \[1\] |
\[y = - 2 - x\]
\[x\] | \[0\] | \[- 1\] |
---|---|---|
\[y\] | \[- 2\] | \[- 1\] |
\(\ \)
\[Ответ:( - 2;0),\ (0;\ - 2),\ (0;2),\ \]
\[(2;0)\text{.\ }\]