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-14.5+2s=2.9
We move all terms to the left:
-14.5+2s-(2.9)=0
We add all the numbers together, and all the variables
2s-17.4=0
We move all terms containing s to the left, all other terms to the right
2s=17.4
s=17.4/2
s=8+1/1.4285714285714
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