2w=9-w

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Solution for 2w=9-w equation: 



2w=9-w

We move all terms to the left:

2w-(9-w)=0

We add all the numbers together, and all the variables

2w-(-1w+9)=0

We get rid of parentheses

2w+1w-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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