Solve -3*k = 3*c - 21 + 27, -4*c + 2*k = 14 for c.
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What is the g'th term of -24, -79, -170, -297?
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What is the h'th term of -143, -165, -187, -209, -231, -253?
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What is the j'th term of -107, -108, -109, -110, -111?
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What is the f'th term of 3, -60, -177, -360, -621?
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What is the c'th term of 61, 114, 177, 256, 357, 486, 649, 852?
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What is the h'th term of -7, -16, -39, -82, -151?
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