12-3w+9w=-12

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Solution for 12-3w+9w=-12 equation: 



12-3w+9w=-12

We move all terms to the left:

12-3w+9w-(-12)=0

We add all the numbers together, and all the variables

6w+24=0

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

6w=-24

w=-24/6

w=-4

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