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30.10=4s+3.02
We move all terms to the left:
30.10-(4s+3.02)=0
We add all the numbers together, and all the variables
-(4s+3.02)+30.1=0
We get rid of parentheses
-4s-3.02+30.1=0
We add all the numbers together, and all the variables
-4s+27.08=0
We move all terms containing s to the left, all other terms to the right
-4s=-27.08
s=-27.08/-4
s=6+2.85185185185/3.7037037037
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