-87=-7-5(2-2b)

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Solution for -87=-7-5(2-2b) equation: 



-87=-7-5(2-2b)

We move all terms to the left:

-87-(-7-5(2-2b))=0

We add all the numbers together, and all the variables

-(-7-5(-2b+2))-87=0



We calculate terms in parentheses: -(-7-5(-2b+2)), so:

-7-5(-2b+2)

determiningTheFunctionDomain
-5(-2b+2)-7

We multiply parentheses

10b-10-7

We add all the numbers together, and all the variables

10b-17

Back to the equation:

-(10b-17)



We get rid of parentheses

-10b+17-87=0

We add all the numbers together, and all the variables

-10b-70=0

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

-10b=70

b=70/-10

b=-7

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