4x+100=3x+120

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Solution for 4x+100=3x+120 equation: 



4x+100=3x+120

We move all terms to the left:

4x+100-(3x+120)=0

We get rid of parentheses

4x-3x-120+100=0

We add all the numbers together, and all the variables

x-20=0

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

x=20

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