Solve 4*n - 4*i = 0, 0 = 5*n + 6*i - i + 30 for n.
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What is the n'th term of 28, 56, 84, 112?
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What is the y'th term of -8716, -8715, -8714?
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What is the v'th term of 19, 41, 63, 85?
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What is the i'th term of -64, -125, -186, -247?
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What is the k'th term of -1, 22, 75, 170, 319, 534, 827, 1210?
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What is the u'th term of -50, -70, -124, -230, -406, -670, -1040?
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