$$\left. \begin{array} { l } { 4 x - y = 11 } \\ { - 8 x + 2 y = - 22 } \end{array} \right.$$
$x=\frac{y+11}{4}$
$y\in \mathrm{C}$
$x=\frac{y+11}{4}$
$y\in \mathrm{R}$
