W+w-2w+w+2w=9

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Solution for W+w-2w+w+2w=9 equation: 



+W-2W+W+2W=9

We move all terms to the left:

+W-2W+W+2W-(9)=0

We add all the numbers together, and all the variables

2W-9=0

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

2W=9

W=9/2

W=4+1/2

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