20s-18=2s

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Solution for 20s-18=2s equation: 



20s-18=2s

We move all terms to the left:

20s-18-(2s)=0

We add all the numbers together, and all the variables

18s-18=0

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

18s=18

s=18/18

s=1

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