2x+4=4x+20

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



2x+4=4x+20

We move all terms to the left:

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

We get rid of parentheses

2x-4x-20+4=0

We add all the numbers together, and all the variables

-2x-16=0

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

-2x=16

x=16/-2

x=-8

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