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

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



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

We move all terms to the left:

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



We calculate terms in parentheses: -(9x-(-7)), so:

9x-(-7)

We add all the numbers together, and all the variables

9x+7

Back to the equation:

-(9x+7)



We get rid of parentheses

2x-9x-7+7=0

We add all the numbers together, and all the variables

-7x=0

x=0/-7

x=0

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