SOLUTION: 1/a+1/b=c solve for b i don't know how to get the variables on one side

SOLUTION: 1/a+1/b=c solve for b i don't know how to get the variables on one side

Algebra.Com

Question 48458: 1/a+1/b=c
solve for b
i don't know how to get the variables on one side
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!

And now to get b, we just invert both sides:

which is not a particular "tidy" answer, so what mathematicians tend to do is this:

from we re-write the right hand side:

and then we invert:

which is tidier since we don't need the "1/" bit anymore, we just flip the fraction straight away.

I hope this is clear?

jon.

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