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-2.9=3w+4.3
We move all terms to the left:
-2.9-(3w+4.3)=0
We get rid of parentheses
-3w-4.3-2.9=0
We add all the numbers together, and all the variables
-3w-7.2=0
We move all terms containing w to the left, all other terms to the right
-3w=7.2
w=7.2/-3
w=-2+1/2.5
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