30-08-2016
Mathematics

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2(4x+2)=4x−12(x−1)2(4x+2)=4x−12(x−1)

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dalendrk dalendrk

30-08-2016

2(4x + 2) = 4x - 12(x - 1) |use distributive property: a(b +/- c) = ab +/- ac

8x + 4 = 4x - 12x + 12

8x + 4 = -8x + 12 |subtract 4 from both sides

8x = -8x + 8 |add 8x to both sides

16x = 8 |divide both sides by 16

x = 0.5

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