Number series exclusion

Which number does not belong in the number series and why?
11. . . 13 . . . 15 . . . 17 . . . 19

Final Answer:

x =  15

Step-by-step explanation:

x=15 15=3 5



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You need to know the following knowledge to solve this word math problem:

algebrabasic operations and conceptsnumbersGrade of the word problem

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