Solve 4*z + 0*a - 3*a + 5 = 0, -2*z + 3*a - 7 = 0 for z.
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What is the p'th term of 3, 20, 45, 78, 119, 168, 225?
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What is the p'th term of -138, -1107, -3734, -8847, -17274, -29843, -47382?
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What is the s'th term of -7, -44, -139, -322, -623, -1072?
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What is the l'th term of 1565, 1566, 1569, 1574, 1581?
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What is the h'th term of 181, 367, 553?
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What is the r'th term of -1785, -3571, -5357, -7143, -8929?
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