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20-04-2017
Mathematics

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-4(-3x - 8) - 4x + 8 = -8x + 40

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20-04-2017

First we expand and combine the terms on the left side. This gives us

12x + 32 -4x + 8 = -8x + 40

8x + 40 = -8x + 40. Because the two sides cancel each other out when you try and bring all the x to one side, the answer is x = 0.

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