285=-5(-7b-8)

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Solution for 285=-5(-7b-8) equation: 



285=-5(-7b-8)

We move all terms to the left:

285-(-5(-7b-8))=0



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

-5(-7b-8)

We multiply parentheses

35b+40

Back to the equation:

-(35b+40)



We get rid of parentheses

-35b-40+285=0

We add all the numbers together, and all the variables

-35b+245=0

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

-35b=-245

b=-245/-35

b=+7

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