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4/5n=2
We move all terms to the left:
4/5n-(2)=0
Domain of the equation: 5n!=0We multiply all the terms by the denominator
n!=0/5
n!=0
n∈R
-2*5n+4=0
Wy multiply elements
-10n+4=0
We move all terms containing n to the left, all other terms to the right
-10n=-4
n=-4/-10
n=2/5
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