-3+13w=-42

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Solution for -3+13w=-42 equation: 



-3+13w=-42

We move all terms to the left:

-3+13w-(-42)=0

We add all the numbers together, and all the variables

13w+39=0

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

13w=-39

w=-39/13

w=-3

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