Solve -3*g = r - 1, -4 = r - 3*r - 4*g for r.
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What is the a'th term of -16, -64, -144, -256?
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What is the f'th term of -8, 21, 100, 247, 480?
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What is the p'th term of -783, -1568, -2353, -3138?
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What is the u'th term of 315, 316, 317?
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What is the t'th term of 62922, 62923, 62924, 62925, 62926?
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What is the h'th term of -42, -37, -34, -33, -34, -37?
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