13+3w=w+7

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Solution for 13+3w=w+7 equation: 



13+3w=w+7

We move all terms to the left:

13+3w-(w+7)=0

We get rid of parentheses

3w-w-7+13=0

We add all the numbers together, and all the variables

2w+6=0

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

2w=-6

w=-6/2

w=-3

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