7w-20+13=4w+20

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Solution for 7w-20+13=4w+20 equation: 



7w-20+13=4w+20

We move all terms to the left:

7w-20+13-(4w+20)=0

We add all the numbers together, and all the variables

7w-(4w+20)-7=0

We get rid of parentheses

7w-4w-20-7=0

We add all the numbers together, and all the variables

3w-27=0

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

3w=27

w=27/3

w=9

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