-12=2-7w

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Solution for -12=2-7w equation: 



-12=2-7w

We move all terms to the left:

-12-(2-7w)=0

We add all the numbers together, and all the variables

-(-7w+2)-12=0

We get rid of parentheses

7w-2-12=0

We add all the numbers together, and all the variables

7w-14=0

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

7w=14

w=14/7

w=2

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