Solve -2*w - 3*w = 4*i + 3, 0 = 2*i - 6 for w.
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What is the f'th term of 26, 58, 94, 134, 178?
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What is the x'th term of -1, 23, 91, 221, 431, 739, 1163?
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What is the a'th term of 0, -6, -16, -30?
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What is the d'th term of -15, 20, 53, 84, 113, 140, 165?
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What is the l'th term of -32, -98, -164?
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What is the u'th term of 93, 200, 317, 444, 581?
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