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w/9+8/9=4
We move all terms to the left:
w/9+8/9-(4)=0
determiningTheFunctionDomain w/9-4+8/9=0
We multiply all the terms by the denominator
w+8-4*9=0
We add all the numbers together, and all the variables
w-28=0
We move all terms containing w to the left, all other terms to the right
w=28
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