\[\left\{ \begin{matrix} x + 2y = 6 \\ x - y = 4\ \ \ \\ \end{matrix} \right.\ \text{\ \ \ \ \ \ \ }\]
\[\left\{ \begin{matrix} 2y = 6 - x \\ y = x - 4\ \ \\ \end{matrix} \right.\ \text{\ \ \ \ \ }\]
\[\left\{ \begin{matrix} y = 3 - 0,5x\ \ \ (1) \\ y = x - 4\ \ \ \ \ \ \ \ \ (2) \\ \end{matrix} \right.\ \]
\[(1)\ \]
\[x\] | \[0\] | \[2\] |
---|---|---|
\[y\] | \[3\] | \[2\] |
\[(2)\]
\[x\] | \[0\] | \[1\] |
---|---|---|
\[y\] | \[- 4\] | \[- 3\] |
\[Ответ:(4,7;0,7).\]