Solve 0 = -5*u - o - 23, -5*u + 0*o = 5*o + 15 for u.
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What is the u'th term of -40, -52, -52, -34, 8, 80, 188, 338?
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What is the a'th term of 22, 80, 222, 490, 926?
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What is the q'th term of 3, 13, 39, 87, 163, 273, 423, 619?
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What is the t'th term of -101, -201, -299, -389, -465, -521, -551?
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What is the u'th term of 138, 247, 358, 471?
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What is the a'th term of 353, 732, 1111?
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