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0.2w-(1-w)0.4=0
We add all the numbers together, and all the variables
0.2w-(-1w+1)0.4=0
We multiply parentheses
0.2w+0.4w-0.4=0
We add all the numbers together, and all the variables
0.6w-0.4=0
We move all terms containing w to the left, all other terms to the right
0.6w=0.4
w=0.4/0.6
w=0.4/0.6
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