Solve 0 = -6*c + c + 2*y + 27, 3*c = 5*y + 20 for c.
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What is the w'th term of 19, 4, -45, -146, -317, -576?
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What is the z'th term of 1901, 1899, 1897, 1895, 1893?
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What is the z'th term of 631, 633, 637, 643, 651, 661?
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What is the k'th term of 108, 117, 142, 189, 264, 373, 522?
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What is the v'th term of 78, 92, 106?
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What is the u'th term of -28, -41, -78, -151, -272, -453?
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