12w+3w=30

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Solution for 12w+3w=30 equation: 



12w+3w=30

We move all terms to the left:

12w+3w-(30)=0

We add all the numbers together, and all the variables

15w-30=0

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

15w=30

w=30/15

w=2

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