Solve 2*r + 2*p = -3*r + 24, 3*r + 4*p - 20 = 0 for r.
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What is the s'th term of -31, -58, -85, -112?
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What is the k'th term of -321, -382, -443, -504, -565?
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What is the l'th term of 77, 76, 77, 80?
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What is the a'th term of 83, 73, 63, 53, 43?
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What is the l'th term of -22344, -22346, -22348?
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What is the p'th term of -2, -16, -28, -38, -46?
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