4x+20=2x+100

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Solution for 4x+20=2x+100 equation: 



4x+20=2x+100

We move all terms to the left:

4x+20-(2x+100)=0

We get rid of parentheses

4x-2x-100+20=0

We add all the numbers together, and all the variables

2x-80=0

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

2x=80

x=80/2

x=40

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