SOLUTION: Solve (1/a)-(2/b)=(3/c) for b.

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Question 645442: Solve (1/a)-(2/b)=(3/c) for b.
Answer by sachi(548) About Me  (Show Source):
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(1/a)-(2/b)=(3/c)
or (1/a)-(3/c)=(2/b)
or (1*c-3*a)/ac=2/b
or b=2/[(1*c-3*a)/ac]=2ac/(c-3a)
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