30x=9x+120

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Solution for 30x=9x+120 equation: 



30x=9x+120

We move all terms to the left:

30x-(9x+120)=0

We get rid of parentheses

30x-9x-120=0

We add all the numbers together, and all the variables

21x-120=0

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

21x=120

x=120/21

x=5+5/7

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