Question

simplify combining the like terms a-(a-b)-b-(-b-a)​

Answer 1

Step-by-step explanation:

$here \: your \: ans \: is \: a + b$

Answer 2

Answer :-

a – (a – b) – b – (b – a)

= a – a + b – b – b + a

After cancel out,

a – a + b – b – b + a

= a – b