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4.2=-2.2+2w
We move all terms to the left:
4.2-(-2.2+2w)=0
We add all the numbers together, and all the variables
-(2w-2.2)+4.2=0
We get rid of parentheses
-2w+2.2+4.2=0
We add all the numbers together, and all the variables
-2w+6.4=0
We move all terms containing w to the left, all other terms to the right
-2w=-6.4
w=-6.4/-2
w=3+0.4/2
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