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20=703w/65^2
We move all terms to the left:
20-(703w/65^2)=0
We get rid of parentheses
-703w/65^2+20=0
We multiply all the terms by the denominator
-703w+20*65^2=0
We add all the numbers together, and all the variables
-703w+84500=0
We move all terms containing w to the left, all other terms to the right
-703w=-84500
w=-84500/-703
w=120+140/703
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