\[\boxed{\text{1055\ (1055).}\text{\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[1)\ y = 2 - 3x\ \ \ и\ \ \ 2x + 3y = 7\]
\[Ответ:\left( - \frac{1}{7};2\frac{3}{7} \right).\]
\[\left\{ \begin{matrix} y = 5 \\ x = \frac{25 - 45}{2} \\ \end{matrix} \right.\ \text{\ \ \ \ \ \ \ \ \ \ \ }\left\{ \begin{matrix} y = 5 \\ x = - 10 \\ \end{matrix} \right.\ \]
\[Ответ:( - 10;5)\text{.\ }\]
\[\boxed{\text{1055.\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[1)\ y = x - 5\]
\[x\] | \[2\] | \[3\] |
---|---|---|
\[y\] | \[- 3\] | \[- 2\] |
\[2)\ y = 3x + 1\]
\[x\] | \[0\] | \[1\] |
---|---|---|
\[y\] | \[1\] | \[4\] |
\[3)\ y = - \frac{1}{6}x - 2\]
\[x\] | \[0\] | \[6\] |
---|---|---|
\[y\] | \[- 2\] | \[- 3\] |
\[4)\ y = 0,4x + 3\]
\[x\] | \[0\] | \[5\] |
---|---|---|
\[y\] | \[3\] | \[5\] |