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29.4=2.1s
We move all terms to the left:
29.4-(2.1s)=0
We add all the numbers together, and all the variables
-(+2.1s)+29.4=0
We get rid of parentheses
-2.1s+29.4=0
We move all terms containing s to the left, all other terms to the right
-2.1s=-29.4
s=-29.4/-2.1
s=13+1/1
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