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8w-9=7-9(w+8)
We move all terms to the left:
8w-9-(7-9(w+8))=0
We calculate terms in parentheses: -(7-9(w+8)), so:We get rid of parentheses
7-9(w+8)
determiningTheFunctionDomain -9(w+8)+7
We multiply parentheses
-9w-72+7
We add all the numbers together, and all the variables
-9w-65
Back to the equation:
-(-9w-65)
8w+9w+65-9=0
We add all the numbers together, and all the variables
17w+56=0
We move all terms containing w to the left, all other terms to the right
17w=-56
w=-56/17
w=-3+5/17
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