3+4=(x+7)

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Solution for 3+4=(x+7) equation: 



3+4=(x+7)

We move all terms to the left:

3+4-((x+7))=0

We add all the numbers together, and all the variables

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



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

(x+7)

We get rid of parentheses

x+7

Back to the equation:

-(x+7)



We get rid of parentheses

-x-7+7=0

We add all the numbers together, and all the variables

-x=0

x=0/-1

x=0

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