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2/0.21=8n
We move all terms to the left:
2/0.21-(8n)=0
We multiply all the terms by the denominator
-8n*0.21+2=0
Wy multiply elements
-1.68n+2=0
We move all terms containing n to the left, all other terms to the right
-1.68n=-2
n=-2/-1.68
n=1+0.32/1.68
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