3w-12w=45

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Solution for 3w-12w=45 equation: 



3w-12w=45

We move all terms to the left:

3w-12w-(45)=0

We add all the numbers together, and all the variables

-9w-45=0

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

-9w=45

w=45/-9

w=-5

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