(7x+7)+(4x+11)=(12x+9)

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Solution for (7x+7)+(4x+11)=(12x+9) equation: 



(7x+7)+(4x+11)=(12x+9)

We move all terms to the left:

(7x+7)+(4x+11)-((12x+9))=0

We get rid of parentheses

7x+4x-((12x+9))+7+11=0



We calculate terms in parentheses: -((12x+9)), so:

(12x+9)

We get rid of parentheses

12x+9

Back to the equation:

-(12x+9)



We add all the numbers together, and all the variables

11x-(12x+9)+18=0

We get rid of parentheses

11x-12x-9+18=0

We add all the numbers together, and all the variables

-1x+9=0

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

-x=-9

x=-9/-1

x=+9

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