12x+12=+3x+84

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Solution for 12x+12=+3x+84 equation: 



12x+12=+3x+84

We move all terms to the left:

12x+12-(+3x+84)=0

We add all the numbers together, and all the variables

12x-(3x+84)+12=0

We get rid of parentheses

12x-3x-84+12=0

We add all the numbers together, and all the variables

9x-72=0

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

9x=72

x=72/9

x=8

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