\[\boxed{\text{310\ (310).}\text{\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[\left\{ \begin{matrix} 2x - y = 3 \\ 3x + y = 7 \\ \end{matrix} \right.\ \text{\ \ \ \ \ \ \ \ \ \ }\left\{ \begin{matrix} y = 2x - 3 \\ y = 7 - 3x \\ \end{matrix} \right.\ \]
\[y = 2x - 3 \Longrightarrow график\ \]
\[функции - прямая.\]
\[x\] | \[1\] | \[2\] |
---|---|---|
\[y\] | \[- 1\] | \[1\] |
\[y = 7 - 3x\ \Longrightarrow график\ \]
\[функции - прямая.\]
\[x\] | \[2\] | \[3\] |
---|---|---|
\[y\] | \[1\] | \[- 2\] |
\[Ответ:A(2;1) - точка\ \]
\[пересечения\ графиков.\]