3w-9=-12

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Solution for 3w-9=-12 equation: 



3w-9=-12

We move all terms to the left:

3w-9-(-12)=0

We add all the numbers together, and all the variables

3w+3=0

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

3w=-3

w=-3/3

w=-1

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