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Mathematics 7 Online
OpenStudy (anonymous):

The graphs of y − 2x = 1, 4x + y = 7, and 2y − x = −4 contain the sides of triangle. Find the coordinates of the vertices of the triangle. a. (-1, 0), (-3, 2), (4, 2) c. (-4, 3), (2, -1), (-2, -3) b. (1, 3), (2, -1), (-2, -3) d. (-1, 0), (4, 2), (-5, 8)

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