2x+7=4x-20

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Solution for 2x+7=4x-20 equation: 



2x+7=4x-20

We move all terms to the left:

2x+7-(4x-20)=0

We get rid of parentheses

2x-4x+20+7=0

We add all the numbers together, and all the variables

-2x+27=0

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

-2x=-27

x=-27/-2

x=13+1/2

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