0.45(30)+0.15b=0.25(30+b)

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Solution for 0.45(30)+0.15b=0.25(30+b) equation: 



0.45(30)+0.15b=0.25(30+b)

We move all terms to the left:

0.45(30)+0.15b-(0.25(30+b))=0

We add all the numbers together, and all the variables

0.15b-(0.25(b+30))+0.4530=0

We add all the numbers together, and all the variables

0.15b-(0.25(b+30))+0.453=0



We calculate terms in parentheses: -(0.25(b+30)), so:

0.25(b+30)

We multiply parentheses

0.25b+7.5

Back to the equation:

-(0.25b+7.5)



We get rid of parentheses

0.15b-0.25b-7.5+0.453=0

We add all the numbers together, and all the variables

-0.1b-7.047=0

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

-0.1b=7.047

b=7.047/-0.1

b=-70+0.047/0.1

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