12=3w+w

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Solution for 12=3w+w equation: 



12=3w+w

We move all terms to the left:

12-(3w+w)=0

We add all the numbers together, and all the variables

-(+4w)+12=0

We get rid of parentheses

-4w+12=0

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

-4w=-12

w=-12/-4

w=+3

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