-4.5=3(b-18.9)

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Solution for -4.5=3(b-18.9) equation: 



-4.5=3(b-18.9)

We move all terms to the left:

-4.5-(3(b-18.9))=0



We calculate terms in parentheses: -(3(b-18.9)), so:

3(b-18.9)

We multiply parentheses

3b-56.7

Back to the equation:

-(3b-56.7)



We get rid of parentheses

-3b+56.7-4.5=0

We add all the numbers together, and all the variables

-3b+52.2=0

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

-3b=-52.2

b=-52.2/-3

b=17+1/2.5

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