Question 40958
You can use the criss-cross method for this...A/B ± C/D = (AD ± BC) / BD...so we have
2/5 - y/y-2 =
[2(y-2) - 5y] / 5(y-2) =
(2y - 4 - 5y) / 5(y-2) =
(-3y - 4) / 5(y - 2)
I think you forgot the 5...