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12-08-2017
Mathematics

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

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Аноним Аноним

12-08-2017

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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