Remove absolute value sign

A can be equal to 3 or -3.

B=+ 1 or-1.

But because of a> b,

So a can only be equal to 3.

Because if it is -3, whether B is equal to 1 or-1, A is small.

So a=3

B= 1 or b=- 1.

So there is an answer.

A+b=4 or a+b=2.