84=-6(6+5b)

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Solution for 84=-6(6+5b) equation: 



84=-6(6+5b)

We move all terms to the left:

84-(-6(6+5b))=0

We add all the numbers together, and all the variables

-(-6(5b+6))+84=0



We calculate terms in parentheses: -(-6(5b+6)), so:

-6(5b+6)

We multiply parentheses

-30b-36

Back to the equation:

-(-30b-36)



We get rid of parentheses

30b+36+84=0

We add all the numbers together, and all the variables

30b+120=0

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

30b=-120

b=-120/30

b=-4

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