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Vincen
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In the \(xy\) plane, does the equation \(-x = 5y - 7\) contain the point \((a, b)?\)
(1) \(a^2 + 25b^2 + 10ab - 49 = 0.\)
(2) \(a\) and \(b\) are positive integers.
Answer: C
Source: e-GMAT
(1) \(a^2 + 25b^2 + 10ab - 49 = 0.\)
(2) \(a\) and \(b\) are positive integers.
Answer: C
Source: e-GMAT