Which of these equations has no integer solutions for xxx and yyy?
2x+2y=42x + 2y = 42x+2y=4
2x+2y=52x + 2y = 52x+2y=5
3x+6y=93x + 6y = 93x+6y=9
5x+5y=105x + 5y = 105x+5y=10