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

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

Algebra.Com

Question 429468: Having trouble with this problem
1/a + 1/b = c solve for a
Answer by edjones(8007) (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
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