Solve -1 = -u + 3*q, -621*u + 625*u - 2*q = -6 for u.
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What is the m'th term of -42, -100, -158, -216, -274, -332?
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What is the z'th term of -22, -7, 8, 23, 38, 53?
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What is the q'th term of 44, 47, 48, 47?
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What is the y'th term of -59, -57, -55?
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What is the l'th term of -36, -43, -54, -69, -88, -111, -138?
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What is the t'th term of 5674, 5672, 5670, 5668, 5666, 5664?
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