Solve -2*d - 4*v + 18 = 0, 3*d - 3 = 2*d + v for d.
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What is the k'th term of -27, -42, -59, -78, -99, -122, -147?
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What is the i'th term of 18, 35, 56, 81, 110, 143, 180?
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What is the c'th term of 1518, 3044, 4582, 6138, 7718, 9328, 10974, 12662?
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What is the s'th term of -736, -723, -692, -637, -552, -431, -268?
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What is the n'th term of 990, 1989, 2998, 4023, 5070, 6145, 7254, 8403?
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What is the b'th term of -3651, -3657, -3663, -3669, -3675?
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