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Each term of a certain sequence is 3 less than the previous term. The first term of this sequence is 19. If the sum of

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Each term of a certain sequence is 3 less than the previous term. The first term of this sequence is 19. If the sum of the first n terms of the sequence is n, what is the value of positive integer n?

A 1
B 13
C 15
D 19
E 47


OA B

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