Solve 0 = -4*s + 3*d + 28 + 7, -d - 5 = 0 for s.
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What is the z'th term of 217, 429, 631, 817, 981, 1117?
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What is the t'th term of 217, 318, 417, 514?
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What is the o'th term of 11, 25, 57, 113, 199, 321, 485, 697?
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What is the u'th term of -171, -181, -191, -201, -211?
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What is the c'th term of 49, 87, 125, 163?
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What is the m'th term of -58, -172, -286, -400, -514?
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