-2w=w+9

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Solution for -2w=w+9 equation: 



-2w=w+9

We move all terms to the left:

-2w-(w+9)=0

We get rid of parentheses

-2w-w-9=0

We add all the numbers together, and all the variables

-3w-9=0

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

-3w=9

w=9/-3

w=-3

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