3w+4w=-42

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Solution for 3w+4w=-42 equation: 



3w+4w=-42

We move all terms to the left:

3w+4w-(-42)=0

We add all the numbers together, and all the variables

7w+42=0

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

7w=-42

w=-42/7

w=-6

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