4x+9=(5x-7)+(2x+7)

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Solution for 4x+9=(5x-7)+(2x+7) equation: 



4x+9=(5x-7)+(2x+7)

We move all terms to the left:

4x+9-((5x-7)+(2x+7))=0



We calculate terms in parentheses: -((5x-7)+(2x+7)), so:

(5x-7)+(2x+7)

We get rid of parentheses

5x+2x-7+7

We add all the numbers together, and all the variables

7x

Back to the equation:

-(7x)



We add all the numbers together, and all the variables

-3x+9=0

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

-3x=-9

x=-9/-3

x=+3

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