Which equation shows the ASSOCIATIVE property?

Question 3 options:

6 - 9 + 5 = 6 - (-9) + 5


(6 + (-9) + 5) = (6 + 5) + (-9)


-9 + (6 + 5) = -9 - 6 - 5


(6 + (-9)) + 5 = 6 + (-9 + 5)