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-2w-3.7=-0.5
We move all terms to the left:
-2w-3.7-(-0.5)=0
We add all the numbers together, and all the variables
-2w-3.2=0
We move all terms containing w to the left, all other terms to the right
-2w=3.2
w=3.2/-2
w=-1+1/1.66666666667
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