2(s-20)=s

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Solution for 2(s-20)=s equation: 



2(s-20)=s

We move all terms to the left:

2(s-20)-(s)=0

We add all the numbers together, and all the variables

-1s+2(s-20)=0

We multiply parentheses

-1s+2s-40=0

We add all the numbers together, and all the variables

s-40=0

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

s=40

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