Solve -16 = -5*l + 2*b, -7*l + 8*l - 3*b = -2 for l.
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What is the n'th term of -13, -44, -87, -136, -185?
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What is the j'th term of -269, -272, -275, -278, -281?
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What is the l'th term of -3312, -6626, -9940, -13254, -16568?
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What is the m'th term of 24, 13, -12, -57, -128, -231?
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What is the q'th term of -10, -27, -62, -121, -210, -335?
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What is the r'th term of 140, 273, 396, 503, 588, 645, 668?
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