Seudónimo Seudónimo

23-02-2016
Mathematics

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What is 3x + 1 - 8x + 12

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Аноним Аноним

23-02-2016

3x + 1 - 8x +12 =
so 8x - 3x =5x
1 + 12= 13
so answer is 5x+13

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WideAWAKE WideAWAKE

23-02-2016

3x - 8x + 12 + 1
-5x = 13
x = 13 / (-5)
x = -2 and 3/5

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