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16 June, 22:57

400 reduced by 3 times my age is 163. What is his age?

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  1. 16 June, 23:17
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    I would represent his age as "x"

    The equation is:

    3x = 400 - 163.

    = 3x = 237

    Divide by 3.

    3x = 237

    /3 / 3

    x = 237/3

    x = 79 * 3/3

    x = 79.

    So his age is 79.
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