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3/10n=45
We move all terms to the left:
3/10n-(45)=0
Domain of the equation: 10n!=0We multiply all the terms by the denominator
n!=0/10
n!=0
n∈R
-45*10n+3=0
Wy multiply elements
-450n+3=0
We move all terms containing n to the left, all other terms to the right
-450n=-3
n=-3/-450
n=1/150
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