$$( x + y ) \div ( x - y ) x = 5 / 4 , y = - 1 / 3$$
$x=\frac{19-\sqrt{601}}{24}\approx -0.229804223\text{, }y=-\frac{1}{3}\approx -0.333333333$
$x=\frac{\sqrt{601}+19}{24}\approx 1.813137556\text{, }y=-\frac{1}{3}\approx -0.333333333$
