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w+21/6=7
We move all terms to the left:
w+21/6-(7)=0
determiningTheFunctionDomain w-7+21/6=0
We multiply all the terms by the denominator
w*6+21-7*6=0
We add all the numbers together, and all the variables
w*6-21=0
Wy multiply elements
6w-21=0
We move all terms containing w to the left, all other terms to the right
6w=21
w=21/6
w=3+1/2
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