SOLUTION: Hi there im currently working on a problem that i have the right answer but have no idea how to get it any help is greatly appreciated the question is Solve the equation for t

Algebra ->  Rational-functions -> SOLUTION: Hi there im currently working on a problem that i have the right answer but have no idea how to get it any help is greatly appreciated the question is Solve the equation for t      Log On


   

Question 462661: Hi there im currently working on a problem that i have the right answer but have no idea how to get it any help is greatly appreciated

the question is Solve the equation for the indicated variable
1/a +1/b = c Solve for "c" and the answer is b=a/ac-1 and i have no idea how they got that
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Transpose 1%2Fa: 1%2Fb+=+c+-+1%2Fa+=+%28ac+-+1%29%2Fa
==> b+=+a%2F%28ac+-+1%29, by taking the reciprocals of both sides.