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14 August, 20:20

7+3/5b=7/10b what is b

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  1. 14 August, 20:41
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    b = 70

    Step-by-step explanation:

    7+3/5b=7/10b

    Subtract 3/5 b from each side

    7+3/5b - 3/5 b=7/10b - 3/5 b

    7 = 7/10 b - 3/5 b

    We need to get a common denominator or 10 on the right hand side

    7 = 7/10 b - 3/5 * 2/2 b

    7 = 7/10b - 6/10 b

    7 = 1/10 b

    Multiply each side by 10

    7*10 = 1/10 * 10 b

    70 = b
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