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-16.1+3w=3.1
We move all terms to the left:
-16.1+3w-(3.1)=0
We add all the numbers together, and all the variables
3w-19.2=0
We move all terms containing w to the left, all other terms to the right
3w=19.2
w=19.2/3
w=6+1/2.5
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