Hi there!
Let's solve th' Eqn. :-
7 + (6 + 4) = 7 + n
⇒ 7 + 10 = 7 + n
⇒ n = 7 - 7 + 10 ⇒ n = 10
Hence,
The required answer is " n " = 10
[tex]\bf{COMMUTATIVE\:}[/tex] :-
Th' Commutative property states that the order of the terms does not affect the final result.
~ Hope it helps!