7w+4w=21

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Solution for 7w+4w=21 equation: 



7w+4w=21

We move all terms to the left:

7w+4w-(21)=0

We add all the numbers together, and all the variables

11w-21=0

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

11w=21

w=21/11

w=1+10/11

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