Solve 2*a - 5 = -5*q, 8*a - 3*q = 10*a - 7 for a.
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What is the f'th term of 199, 323, 447?
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What is the b'th term of -21, -44, -83, -138?
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What is the s'th term of 8, -7, -24, -43, -64, -87?
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What is the n'th term of 0, 0, 4, 12, 24?
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What is the b'th term of -8, -29, -58, -89, -116, -133, -134?
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What is the x'th term of -27, -58, -139, -294, -547, -922, -1443, -2134?
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