s+20=-20+3s

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Solution for s+20=-20+3s equation: 



s+20=-20+3s

We move all terms to the left:

s+20-(-20+3s)=0

We add all the numbers together, and all the variables

s-(3s-20)+20=0

We get rid of parentheses

s-3s+20+20=0

We add all the numbers together, and all the variables

-2s+40=0

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

-2s=-40

s=-40/-2

s=+20

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