Solve -z + 25 = -f + 6*f, z + 3*f - 15 = 0 for z.
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What is the m'th term of 11, -6, -27, -46, -57, -54, -31, 18?
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What is the i'th term of -221, -222, -223?
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What is the b'th term of -1, -209, -547, -1009, -1589, -2281, -3079?
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What is the l'th term of -3283, -3288, -3297, -3310, -3327, -3348, -3373?
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What is the h'th term of -7, -20, -39, -64, -95, -132?
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What is the h'th term of -2008, -2009, -2010?
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