davidanguiano711612 davidanguiano711612 25-02-2021 Mathematics contestada Which system of equations has exactly one solution? 2x - 4y= 8 X+ y = 7 3x+y=-1 6x+2y = -2 3x+3y=3 -6x-by=3 3x-2y = 4 -3x+2y = 4 I need help please!!!!!