30x+100=20X+120

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Solution for 30x+100=20X+120 equation: 



30x+100=20x+120

We move all terms to the left:

30x+100-(20x+120)=0

We get rid of parentheses

30x-20x-120+100=0

We add all the numbers together, and all the variables

10x-20=0

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

10x=20

x=20/10

x=2

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