3w-21=39

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Solution for 3w-21=39 equation: 



3w-21=39

We move all terms to the left:

3w-21-(39)=0

We add all the numbers together, and all the variables

3w-60=0

We move all terms containing w to the left, all other terms to the right

3w=60

w=60/3

w=20

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