7x+5+2x+7=(7x+2x)+(5+7)

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



7x+5+2x+7=(7x+2x)+(5+7)

We move all terms to the left:

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

We add all the numbers together, and all the variables

7x+2x-((+9x)+12)+5+7=0

We add all the numbers together, and all the variables

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



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

(+9x)+12

We get rid of parentheses

9x+12

Back to the equation:

-(9x+12)



We get rid of parentheses

9x-9x-12+12=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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