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0.2/n+0.8=1.2
We move all terms to the left:
0.2/n+0.8-(1.2)=0
Domain of the equation: n!=0We add all the numbers together, and all the variables
n∈R
0.2/n-0.4=0
We multiply all the terms by the denominator
-(0.4)*n+0.2=0
We multiply parentheses
-0.4n+0.2=0
We move all terms containing n to the left, all other terms to the right
-0.4n=-0.2
n=-0.2/-0.4
n=0.2/0.4
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