17.5=-2.5+8(b-4.5)

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Solution for 17.5=-2.5+8(b-4.5) equation: 



17.5=-2.5+8(b-4.5)

We move all terms to the left:

17.5-(-2.5+8(b-4.5))=0



We calculate terms in parentheses: -(-2.5+8(b-4.5)), so:

-2.5+8(b-4.5)

determiningTheFunctionDomain
8(b-4.5)-2.5

We multiply parentheses

8b-36-2.5

We add all the numbers together, and all the variables

8b-38.5

Back to the equation:

-(8b-38.5)



We get rid of parentheses

-8b+38.5+17.5=0

We add all the numbers together, and all the variables

-8b+56=0

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

-8b=-56

b=-56/-8

b=+7

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