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Find the 86th term of the arithmetic sequence 21, 15, 9, ...21,15,9,...
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Find the 86th term of the arithmetic sequence 21, 15, 9, ...21,15,9,...

User Flying Swissman
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5 votes
The answer is -489.....
User Steven Hirlston
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6.8k points
5 votes
The 86th term is -489.
User Spoida
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