-30-4b=8(5b+7)

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Solution for -30-4b=8(5b+7) equation: 



-30-4b=8(5b+7)

We move all terms to the left:

-30-4b-(8(5b+7))=0



We calculate terms in parentheses: -(8(5b+7)), so:

8(5b+7)

We multiply parentheses

40b+56

Back to the equation:

-(40b+56)



We get rid of parentheses

-4b-40b-56-30=0

We add all the numbers together, and all the variables

-44b-86=0

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

-44b=86

b=86/-44

b=-1+21/22

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