9u+63=(u+7)

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Solution for 9u+63=(u+7) equation: 



9u+63=(u+7)

We move all terms to the left:

9u+63-((u+7))=0



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

(u+7)

We get rid of parentheses

u+7

Back to the equation:

-(u+7)



We get rid of parentheses

9u-u-7+63=0

We add all the numbers together, and all the variables

8u+56=0

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

8u=-56

u=-56/8

u=-7

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