12x+4=2x+84

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Solution for 12x+4=2x+84 equation: 



12x+4=2x+84

We move all terms to the left:

12x+4-(2x+84)=0

We get rid of parentheses

12x-2x-84+4=0

We add all the numbers together, and all the variables

10x-80=0

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

10x=80

x=80/10

x=8

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