$$\left. \begin{array} { l } { 65 x 4 x - 6 y = 6 x + 5 7 = 6 x + 6 } \\ { 5 x - 6 x + 4 x + 5 x + 6 x + 6 } \\ { \text { h e r o e s e a c h \right.$$
$\left\{\begin{matrix}x=\frac{6y+35}{65x_{4}-6}\text{, }&x_{4}\neq \frac{6}{65}\\x\in \mathrm{C}\text{, }&y=-\frac{35}{6}\text{ and }x_{4}=\frac{6}{65}\end{matrix}\right.$
$\left\{\begin{matrix}x=\frac{6y+35}{65x_{4}-6}\text{, }&x_{4}\neq \frac{6}{65}\\x\in \mathrm{R}\text{, }&y=-\frac{35}{6}\text{ and }x_{4}=\frac{6}{65}\end{matrix}\right.$
