which equation has no solution?

13y + 2 - 2y = 10y + 3 - y

9(3y + 7) - 2 = 3(-9y + 9)

32.1y + 3.1 + 2.4y - 8.2 = 34.5y - 5.1

5(2.2y + 3.4) = 5(y - 2) + 6y