Solve -13 = -2*x + 3*u, 4*x + 0*u = -2*u + 18 for x.
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What is the z'th term of 249, 297, 331, 345, 333, 289, 207, 81?
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What is the p'th term of 34306, 68617, 102930, 137245, 171562?
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What is the m'th term of -46, -28, 0, 38, 86, 144, 212?
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What is the t'th term of -537, -1072, -1607?
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What is the u'th term of 256, 487, 718, 949?
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What is the y'th term of -3756, -7514, -11274, -15036, -18800, -22566, -26334?
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