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OpenStudy (vanteroyal):

x = y2 - 1 2x - y = 4 Which of the following equations could be the result of using substitution to solve the system? A. 2y2 - y - 5 = 0 B. 2y2 - y - 6 = 0 C. 2y2 - 2y - 5 = 0

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