-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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