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25-10-2019
Mathematics

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Given: 3x+7+2(4x+1) = 3(x-1) -4 prove: x=-2

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XHonorsKid XHonorsKid

25-10-2019

Answer:

x = -2, proven below.

Step-by-step explanation:

3x + 7 + 2(4x+1) = 3(x-1) - 4

3x + 7 + 8x + 2 = 3x - 3 - 4

9 + 11x = 3x - 7

16 + 11x = 3x

16 = - 8x

-2 = x

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