Solve 17 - 4 = -2*h - 3*l, -h - 2*l = 8 for h.
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What is the u'th term of -1892, -7564, -17018, -30254, -47272?
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What is the s'th term of 2, 21, 56, 107, 174?
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What is the n'th term of -18, -76, -182, -336?
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What is the s'th term of 7422, 7423, 7424?
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What is the c'th term of 4894, 4888, 4880, 4870?
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What is the l'th term of -51, -77, -105, -135, -167?
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