45=9(11+a)

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Solution for 45=9(11+a) equation: 



45=9(11+a)

We move all terms to the left:

45-(9(11+a))=0

We add all the numbers together, and all the variables

-(9(a+11))+45=0



We calculate terms in parentheses: -(9(a+11)), so:

9(a+11)

We multiply parentheses

9a+99

Back to the equation:

-(9a+99)



We get rid of parentheses

-9a-99+45=0

We add all the numbers together, and all the variables

-9a-54=0

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

-9a=54

a=54/-9

a=-6

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