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15 June, 22:26

The sum of three numbers is 207. the second number is 8 times the first, while the third is 3 less than the first, find the numbers

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  1. 15 June, 23:14
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    First number = X

    Second number = 8X

    Third number = X - 3

    The equation would be

    X + (8X) + (X - 3) = 207

    X + (8X) + (X - 3) = 207

    X + 8X + X - 3 = 207

    10X - 3 = 207

    10X = 207 + 3

    10X = 210

    X = 21

    First number = 21

    Second number = 8 * 21 = 168

    Third number = 21 - 3 = 18
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