Question

(2 + 4) + 5 = 2 + (4 + 5)

Answer 1

Step-by-step explanation:

(2+4)+5 = 2+(4+5)

6+5 = 2+9

11= 11

Hence proved.

Answer 2

Hello Friend.

Here is your answer below,

$(2 + 4) + 5 = 2 + (4 + 5) \\ = > (2 + 4) + 5 = 2 + (4 + 5) \\ = > (6) + 5 = 2 + (9) \\ > 6 + 5 = 2 + 9 \\ = > 11 = 11$

Hence LHS = RHS

I hope that helps