3w+4=7w-12

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



3w+4=7w-12

We move all terms to the left:

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

We get rid of parentheses

3w-7w+12+4=0

We add all the numbers together, and all the variables

-4w+16=0

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

-4w=-16

w=-16/-4

w=+4

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