42=4+2w

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Solution for 42=4+2w equation: 



42=4+2w

We move all terms to the left:

42-(4+2w)=0

We add all the numbers together, and all the variables

-(2w+4)+42=0

We get rid of parentheses

-2w-4+42=0

We add all the numbers together, and all the variables

-2w+38=0

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

-2w=-38

w=-38/-2

w=+19

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