12w-7w=45

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Solution for 12w-7w=45 equation: 



12w-7w=45

We move all terms to the left:

12w-7w-(45)=0

We add all the numbers together, and all the variables

5w-45=0

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

5w=45

w=45/5

w=9

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