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3 October, 21:32

three times the sum of a number and 4 is 8 less than one-half the number. write and solve an equation to find the answer

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  1. 3 October, 23:50
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    3 (x + 4) = 1/2x - 8

    ... multiply 3

    3x + 12 = 1/2x - 8

    ... subtract 1/2x

    2.5x + 12 = - 8

    ... subtract 12

    2.5x = - 20

    ... divide by 2.5

    x = - 8
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