-8b-3=-7(4b+9)

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Solution for -8b-3=-7(4b+9) equation: 



-8b-3=-7(4b+9)

We move all terms to the left:

-8b-3-(-7(4b+9))=0



We calculate terms in parentheses: -(-7(4b+9)), so:

-7(4b+9)

We multiply parentheses

-28b-63

Back to the equation:

-(-28b-63)



We get rid of parentheses

-8b+28b+63-3=0

We add all the numbers together, and all the variables

20b+60=0

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

20b=-60

b=-60/20

b=-3

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