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-2(s+7)+3.1=-2.7
We move all terms to the left:
-2(s+7)+3.1-(-2.7)=0
We add all the numbers together, and all the variables
-2(s+7)+5.8=0
We multiply parentheses
-2s-14+5.8=0
We add all the numbers together, and all the variables
-2s-8.2=0
We move all terms containing s to the left, all other terms to the right
-2s=8.2
s=8.2/-2
s=-4+0.2/2
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