18x+30=12x+84

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Solution for 18x+30=12x+84 equation: 



18x+30=12x+84

We move all terms to the left:

18x+30-(12x+84)=0

We get rid of parentheses

18x-12x-84+30=0

We add all the numbers together, and all the variables

6x-54=0

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

6x=54

x=54/6

x=9

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