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16 February, 14:15

Find three consecutive numbers whose sum is 57

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  1. 16 February, 14:20
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    The first number is 18The second number is 19The third number is 20.

    x + x + 1 + x + 2 = 57

    Combine like terms.

    3x + 3 = 57

    Subtract 3 from both sides.

    3x = 54

    Divide both sides by 3.

    x = 18

    18 + 19 + 20 = 57.
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