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25-05-2016
Mathematics

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8x = 3x + 15 AND 7x - 1 = 3x + 7

Respuesta :

25-05-2016

solving for x gives
8x = 3x + 15
5x = 15
x = 15/5 = 3

AND
7x - 1 = 3x + 7
4x = 8
x = 8/4 = 2

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