kaelyncarrie kaelyncarrie

19-09-2016
Mathematics

contestada

twice the difference between a number,n, and thirty-one is three times the number

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nobillionaireNobley nobillionaireNobley

25-09-2016

2(n - 31) = 3n
2n - 62 = 3n
3n - 2n = -62
n = -62

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