physics/algebra HELP!!!!

i am having so much trouble rearranging these equations! i know the answers to them but i don't understand how to get them..

The original equation is W= Q(B-C)/C
what is B?
what is Q?
What is C?

B is supposed to be C(W+Q)/Q
Q is supposed to be WC/(B-C)
and C is supposed to be QB/W+Q

pleaseee help!

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asked by Ned
  1. I will do one.
    c)
    W=QB/C - Q
    W+Q=QB/C
    C=QB/(W+Q)

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