y = x + 10 3y = 3x + 15 Which statements about the system are true? Check all that apply. The system has one solution. The system has one solution. The system has no solution. The system has no solution. The system has infinitely many solutions. The system has infinitely many solutions. The system graphs parallel lines. The system graphs parallel lines. Both lines have the same slope. Both lines have the same slope. Both lines have the same y-intercept. Both lines have the same y-intercept. The equations graph the same line.