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269=128-w
We move all terms to the left:
269-(128-w)=0
We add all the numbers together, and all the variables
-(-1w+128)+269=0
We get rid of parentheses
1w-128+269=0
We add all the numbers together, and all the variables
w+141=0
We move all terms containing w to the left, all other terms to the right
w=-141
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