-20+18s=13+7s

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Solution for -20+18s=13+7s equation:



-20+18s=13+7s
We move all terms to the left:
-20+18s-(13+7s)=0
We add all the numbers together, and all the variables
18s-(7s+13)-20=0
We get rid of parentheses
18s-7s-13-20=0
We add all the numbers together, and all the variables
11s-33=0
We move all terms containing s to the left, all other terms to the right
11s=33
s=33/11
s=3

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