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7w=30-w/2
We move all terms to the left:
7w-(30-w/2)=0
We add all the numbers together, and all the variables
7w-(-w/2+30)=0
We get rid of parentheses
7w+w/2-30=0
We multiply all the terms by the denominator
7w*2+w-30*2=0
We add all the numbers together, and all the variables
w+7w*2-60=0
Wy multiply elements
w+14w-60=0
We add all the numbers together, and all the variables
15w-60=0
We move all terms containing w to the left, all other terms to the right
15w=60
w=60/15
w=4
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