22-09-2017
Mathematics

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Can someone help me find x

Can someone help me find x class=

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choixongdong choixongdong

22-09-2017

3(-x + 2x + 1) = x -1
3(x +1) = x - 1
3x + 3 = x -1
3x - x = -1 - 3
2x = - 4
x = - 2

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