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w/7-1.3=-18.8
We move all terms to the left:
w/7-1.3-(-18.8)=0
We add all the numbers together, and all the variables
w/7+17.5=0
We multiply all the terms by the denominator
w+(17.5)*7=0
We add all the numbers together, and all the variables
w+122.5=0
We move all terms containing w to the left, all other terms to the right
w=-122.5
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