28-7w=21w

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Solution for 28-7w=21w equation: 



28-7w=21w

We move all terms to the left:

28-7w-(21w)=0

We add all the numbers together, and all the variables

-28w+28=0

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

-28w=-28

w=-28/-28

w=1

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