7w+4-3w=12

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Solution for 7w+4-3w=12 equation: 



7w+4-3w=12

We move all terms to the left:

7w+4-3w-(12)=0

We add all the numbers together, and all the variables

4w-8=0

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

4w=8

w=8/4

w=2

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