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2.7+.8n=4
We move all terms to the left:
2.7+.8n-(4)=0
We add all the numbers together, and all the variables
.8n-1.3=0
We move all terms containing n to the left, all other terms to the right
.8n=1.3
n=1.3/.8
n=1+0.5/.8
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