thomas49th

y = 3 - 4/x-1

y(x-1) = 3x - 3 - 4
yx - y = 3x - 7
yx - 3x = y + 7
x(y-3) = y + 7
x = y+7/y-3
= x+7/x+3

is that right now?
Cheers :)