Solve -2 = 2*a + u, 11*a + 8 = 6*a - 3*u for a.
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What is the r'th term of -52, -108, -164?
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What is the y'th term of 129, 257, 385, 513?
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What is the d'th term of -7, -26, -67, -142, -263, -442?
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What is the j'th term of -2105, -4250, -6405, -8576, -10769?
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What is the v'th term of 34, 35, 26, 1, -46, -121, -230, -379?
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What is the w'th term of 935, 945, 969, 1013, 1083, 1185?
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