The numbering is according to the lowest of locants, which gives us two options.
In this case, numbering happens according to alphabetical order. So ethyl group will have the lower number.
word root = hex
primary prefix = cyclo
secondary prefix = 1-Ethyl-2-methyl
primary suffix = ane
IUPAC name is
(c)1-Ethyl-2-methylcyclohexane
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