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210=8-w
We move all terms to the left:
210-(8-w)=0
We add all the numbers together, and all the variables
-(-1w+8)+210=0
We get rid of parentheses
1w-8+210=0
We add all the numbers together, and all the variables
w+202=0
We move all terms containing w to the left, all other terms to the right
w=-202
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