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AMC 12 2009a Problem 7

  • Paper

The first three terms of an arithmetic sequence are 2x−32x - 3, 5x−115x - 11, and 3x+13x + 1 respectively. The nnth term of the sequence is 20092009. What is nn?

\textbf{(A)}\ 255 \textbf{(B)}\ 502 \textbf{(C)}\ 1004 \textbf{(D)}\ 1506 \textbf{(E)}\ 8037

Dataset text AMC 12 2000 to 2025. Quoted with source.

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B

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