20-2=2w+7w

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Solution for 20-2=2w+7w equation: 



20-2=2w+7w

We move all terms to the left:

20-2-(2w+7w)=0

We add all the numbers together, and all the variables

-(+9w)+20-2=0

We add all the numbers together, and all the variables

-(+9w)+18=0

We get rid of parentheses

-9w+18=0

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

-9w=-18

w=-18/-9

w=+2

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