Question 806963
x/y


x = y - 6
(x + 4)/(y + 4) = 5/7


Substitute into the second equation.


(y - 2)/(y + 4) = 5/7
7(y-2) = 5(y+4)
7y - 14 = 5y + 20
2y = 34
y = 17


The original fraction is x/y = 11/17.