84=6x+6(x+2)

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Solution for 84=6x+6(x+2) equation: 



84=6x+6(x+2)

We move all terms to the left:

84-(6x+6(x+2))=0



We calculate terms in parentheses: -(6x+6(x+2)), so:

6x+6(x+2)

We multiply parentheses

6x+6x+12

We add all the numbers together, and all the variables

12x+12

Back to the equation:

-(12x+12)



We get rid of parentheses

-12x-12+84=0

We add all the numbers together, and all the variables

-12x+72=0

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

-12x=-72

x=-72/-12

x=+6

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