2x+4(-1/2x+7)=-12

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Solution for 2x+4(-1/2x+7)=-12 equation: 



2x+4(-1/2x+7)=-12

We move all terms to the left:

2x+4(-1/2x+7)-(-12)=0



Domain of the equation: 2x+7)!=0

x∈R



We add all the numbers together, and all the variables

2x+4(-1/2x+7)+12=0

We multiply parentheses

2x-4x+28+12=0

We add all the numbers together, and all the variables

-2x+40=0

We move all terms containing x to the left, all other terms to the right

-2x=-40

x=-40/-2

x=+20

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