Which systems of equations have no solutions? (Check all that apply. ) x – y = 1, –3x 3y = 3 2y = 3 – 4x, x y = 0 12x 2 = 4y – 10, 2x y = –11 –3x – y = 5, 15x = 10 – 5y x y = 1, –4x 2y = 7.