Solve -4*u = 2*l - 6, -u - 27 = 3*l - 36 for u.
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What is the x'th term of 54, 132, 344, 756, 1434, 2444?
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What is the r'th term of -213, -216, -221, -228, -237?
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What is the m'th term of 60, 58, 58, 60, 64, 70?
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What is the h'th term of -2223, -2227, -2241, -2271, -2323, -2403, -2517?
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What is the m'th term of 34, 129, 286, 505?
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What is the n'th term of 151, 153, 155, 157, 159, 161?