6x+84=12x+72

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Solution for 6x+84=12x+72 equation: 



6x+84=12x+72

We move all terms to the left:

6x+84-(12x+72)=0

We get rid of parentheses

6x-12x-72+84=0

We add all the numbers together, and all the variables

-6x+12=0

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

-6x=-12

x=-12/-6

x=+2

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