y^2-xy=2
2y^2+3xy=14
y(y-x)=2
y(2y+3x)=14
2/y-x= 14/ 2y+3x
4y+6x=14y-14x
20x=10y
2x=y
4x^2-2x^2=2
2x^2=2
x=1
y=2
x=-1
y=-2
y^2-xy=2
2y^2+3xy=14
y(y-x)=2
y(2y+3x)=14
2/y-x= 14/ 2y+3x
4y+6x=14y-14x
20x=10y
2x=y
4x^2-2x^2=2
2x^2=2
x=1
y=2
x=-1
y=-2