shakaka
shakaka
14-09-2016
Mathematics
contestada
The difference between a number and 12 is 20
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AshryverGalathyniys
AshryverGalathyniys
14-09-2016
The difference between two numbers is 12. The two numbers are: x and (x+12) If 20 is added to twice the larger number the result is 4 more than 3 times the smaller number. 2(x+12) + 20 = 3x + 4 2x + 24 + 20 = 3x + 4 2x + 44 = 3x + 4 2x - 3x = 4 - 44
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