18b=4(-3b-15)=

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Solution for 18b=4(-3b-15)= equation: 



18b=4(-3b-15)=

We move all terms to the left:

18b-(4(-3b-15))=0



We calculate terms in parentheses: -(4(-3b-15)), so:

4(-3b-15)

We multiply parentheses

-12b-60

Back to the equation:

-(-12b-60)



We get rid of parentheses

18b+12b+60=0

We add all the numbers together, and all the variables

30b+60=0

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

30b=-60

b=-60/30

b=-2

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