63=7(a+9)

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



63=7(a+9)

We move all terms to the left:

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



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

7(a+9)

We multiply parentheses

7a+63

Back to the equation:

-(7a+63)



We get rid of parentheses

-7a-63+63=0

We add all the numbers together, and all the variables

-7a=0

a=0/-7

a=0

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