Solve -35 = 2*v - 5*l, 4*v - 7 + 2 = -5*l for v.
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What is the s'th term of 171, 331, 491?
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What is the t'th term of 201, 407, 613?
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What is the u'th term of -446, -889, -1332, -1775, -2218, -2661?
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What is the d'th term of -565, -555, -549, -553, -573?
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What is the a'th term of 45, 40, 23, -12, -71, -160, -285, -452?
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What is the q'th term of 1547, 1551, 1561, 1583, 1623, 1687, 1781, 1911?
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