Ответ:
\[y = 2x - 7\]
\[x = - y:\]
\[2x - 7 = - x\]
\[3x = 7\]
\[x = \frac{7}{3}\]
\[\left( 2\frac{1}{3}; - 2\frac{1}{3} \right)\text{.\ }\]
\[y = 2x - 7\]
\[x = - y:\]
\[2x - 7 = - x\]
\[3x = 7\]
\[x = \frac{7}{3}\]
\[\left( 2\frac{1}{3}; - 2\frac{1}{3} \right)\text{.\ }\]