5w-9=12-2w

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Solution for 5w-9=12-2w equation: 



5w-9=12-2w

We move all terms to the left:

5w-9-(12-2w)=0

We add all the numbers together, and all the variables

5w-(-2w+12)-9=0

We get rid of parentheses

5w+2w-12-9=0

We add all the numbers together, and all the variables

7w-21=0

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

7w=21

w=21/7

w=3

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