$2x+y=5x-y\text{ and }5x-y=1$

$x=\frac{2}{7}\approx 0.285714286$
$y = \frac{3}{7} = 0.42857142857142855$

$y = \frac{3}{7} = 0.42857142857142855$
$x = \frac{2}{7} = 0.2857142857142857$