SOLUTION: Having trouble with this problem 1/a + 1/b = c solve for a

Algebra ->  Expressions-with-variables -> SOLUTION: Having trouble with this problem 1/a + 1/b = c solve for a      Log On


   

Question 429468: Having trouble with this problem
1/a + 1/b = c solve for a
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
1/a + 1/b = c
b+a=abc Multiply each side by ab.
a-abc=-b
a(1-bc)=-b
a=-b/-(bc-1)
a=b/(bc-1)
.
Ed