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-1.3-2.8n=5.5
We move all terms to the left:
-1.3-2.8n-(5.5)=0
We add all the numbers together, and all the variables
-2.8n-6.8=0
We move all terms containing n to the left, all other terms to the right
-2.8n=6.8
n=6.8/-2.8
n=-2+1/2.3333333333333
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