42=2-4w

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Solution for 42=2-4w equation: 



42=2-4w

We move all terms to the left:

42-(2-4w)=0

We add all the numbers together, and all the variables

-(-4w+2)+42=0

We get rid of parentheses

4w-2+42=0

We add all the numbers together, and all the variables

4w+40=0

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

4w=-40

w=-40/4

w=-10

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