Solve -6*u = -2*u - 16, -5*k + 2*u - 23 = 0 for k.
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What is the z'th term of -19, -27, -41, -61, -87, -119?
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What is the c'th term of -540, -538, -536, -534?
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What is the w'th term of 143, 282, 419, 554, 687, 818, 947?
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What is the n'th term of -22, -20, -22, -28, -38, -52, -70?
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What is the s'th term of -5, 6, 53, 154, 327?
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What is the j'th term of -63, -154, -275, -432, -631, -878, -1179?
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