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13 November, 05:10

Twice a number decreased by 72 is five times the sum of the number and three times the number

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  1. 13 November, 07:33
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    Step-by-step explanation:

    2x - 72 = 5 (x + 3x)

    2x - 72 = 5 (4x)

    2x - 72 = 20x

    -72 = 20x - 2x

    -72 = 18x

    -72/18 = x

    -4 = x
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