7=(3x+9)=7

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Solution for 7=(3x+9)=7 equation: 



7=(3x+9)=7

We move all terms to the left:

7-((3x+9))=0



We calculate terms in parentheses: -((3x+9)), so:

(3x+9)

We get rid of parentheses

3x+9

Back to the equation:

-(3x+9)



We get rid of parentheses

-3x-9+7=0

We add all the numbers together, and all the variables

-3x-2=0

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

-3x=2

x=2/-3

x=-2/3

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