4b=(45+9b)

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Solution for 4b=(45+9b) equation: 



4b=(45+9b)

We move all terms to the left:

4b-((45+9b))=0

We add all the numbers together, and all the variables

4b-((9b+45))=0



We calculate terms in parentheses: -((9b+45)), so:

(9b+45)

We get rid of parentheses

9b+45

Back to the equation:

-(9b+45)



We get rid of parentheses

4b-9b-45=0

We add all the numbers together, and all the variables

-5b-45=0

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

-5b=45

b=45/-5

b=-9

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