Question

Is a+b=b+a?give reason.

Answer 1

Let a =4
b=3
a+b=4+3
=7
b+a=3+4
=7
7=7
Therefore
a+b=b+a

Answer 2

Heya !

Here is your answer :-

a+b = b+a

It is commutative property.

For example,

3+5 = 5+3
8=8
LHS =RHS

Hence Proved.