SOLUTION: 1/a - 1/b = 1/c solve for b

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Question 528651: 1/a - 1/b = 1/c
solve for b
Answer by Maths68(1474) About Me  (Show Source):
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1%2Fa+-+1%2Fb+=+1%2Fc
+-+1%2Fb+=+1%2Fc-1%2Fa
+-+1%2Fb+=+%28a-c%29%2Fac
+-+b+=+ac%2F%28a-c%29
Multiply by -1 both sides
+b+=+ac%2F%28c-a%29