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4.21=w/4
We move all terms to the left:
4.21-(w/4)=0
We add all the numbers together, and all the variables
-(+w/4)+4.21=0
We get rid of parentheses
-w/4+4.21=0
We multiply all the terms by the denominator
-w+(4.21)*4=0
We add all the numbers together, and all the variables
-1w+16.84=0
We move all terms containing w to the left, all other terms to the right
-w=-16.84
w=-16.84/-1
w=16+0.84/1
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