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2.7x-8.1=10.8
We move all terms to the left:
2.7x-8.1-(10.8)=0
We add all the numbers together, and all the variables
2.7x-18.9=0
We move all terms containing x to the left, all other terms to the right
2.7x=18.9
x=18.9/2.7
x=6+1/1
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