w-2w=9

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Solution for w-2w=9 equation: 



w-2w=9

We move all terms to the left:

w-2w-(9)=0

We add all the numbers together, and all the variables

-1w-9=0

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

-w=9

w=9/-1

w=-9

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