It seemed simple at first but I cant seem to make X the subject of this formula. :|
a = (2x + 1) / (x + 2)
I've managed to rearange it so that there is only one x:
a = 2 + (5 / (x - 2))
What do I do after that?
The actual question was to find the equation of ƒ^-1(x) when ƒ(x) = a.
~
I dont have access to a computer atm so refrain from posting attached files unless it in necessary ty =)

