3w+w+7-7=19-7

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Solution for 3w+w+7-7=19-7 equation: 



3w+w+7-7=19-7

We move all terms to the left:

3w+w+7-7-(19-7)=0

We add all the numbers together, and all the variables

3w+w+7-7-12=0

We add all the numbers together, and all the variables

4w-12=0

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

4w=12

w=12/4

w=3

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