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8.1x-13.4=59.5
We move all terms to the left:
8.1x-13.4-(59.5)=0
We add all the numbers together, and all the variables
8.1x-72.9=0
We move all terms containing x to the left, all other terms to the right
8.1x=72.9
x=72.9/8.1
x=9+1.4210854715202E-14/8.1
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