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)
Letter answers only pls