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9+w=17.7.8.9
We move all terms to the left:
9+w-(17.7.8.9)=0
We add all the numbers together, and all the variables
w+9-(12.744)=0
We add all the numbers together, and all the variables
w-3.744=0
We move all terms containing w to the left, all other terms to the right
w=3.744
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