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13 September, 09:42

Find three consecutive odd numbers such hat th sum of seven times the smallest and twice the larger is - 127

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  1. 13 September, 09:54
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    Let the 3 numbers be 2x + 1, 2x + 3 and 2x + 5., then

    7 (2x + 1) + 2 (2x + 5) = - 127

    14x + 7 + 4x + 10 = - 127

    18x = - 127 - 7 - 10

    18x = - 144

    x = - 8

    the 3 numbers are 2 (-8) + 1 = - 15, - - 16+3 = - 13 and - 16+5 = - 11

    -15, - 13 and - 11
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