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10 February, 09:53

How to solve for B in this equation: A = 3B + 7C

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  1. 10 February, 11:22
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    (A - 7C) / 3 = B

    Step-by-step explanation:

    A = 3B + 7C

    We want to get B isolated

    Subtract 7C from each side

    A-7C = 3B + 7C-7C

    A - 7C = 3B

    Divide by 3 on each side

    (A - 7C) / 3 = 3B/3

    (A - 7C) / 3 = B
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