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n-1.4n-1=6n-13.8
We move all terms to the left:
n-1.4n-1-(6n-13.8)=0
We add all the numbers together, and all the variables
-0.4n-(6n-13.8)-1=0
We get rid of parentheses
-0.4n-6n+13.8-1=0
We add all the numbers together, and all the variables
-6.4n+12.8=0
We move all terms containing n to the left, all other terms to the right
-6.4n=-12.8
n=-12.8/-6.4
n=+2
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