(=2x+6)+(x+9)

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Solution for (=2x+6)+(x+9) equation: 



(=2x+6)+(x+9)

We move all terms to the left:

(-(2x+6)+(x+9))=0



We calculate terms in parentheses: +(-(2x+6)+(x+9)), so:

-(2x+6)+(x+9)

We get rid of parentheses

-2x+x-6+9

We add all the numbers together, and all the variables

-1x+3

Back to the equation:

+(-1x+3)



We get rid of parentheses

-1x+3=0

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

-x=-3

x=-3/-1

x=+3

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