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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