18b=9(4b+83)-45

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Solution for 18b=9(4b+83)-45 equation: 



18b=9(4b+83)-45

We move all terms to the left:

18b-(9(4b+83)-45)=0



We calculate terms in parentheses: -(9(4b+83)-45), so:

9(4b+83)-45

We multiply parentheses

36b+747-45

We add all the numbers together, and all the variables

36b+702

Back to the equation:

-(36b+702)



We get rid of parentheses

18b-36b-702=0

We add all the numbers together, and all the variables

-18b-702=0

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

-18b=702

b=702/-18

b=-39

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