True or false? when n is a negative integer, n-n=0. justify your response

 its true because according to integers rules(addition and subtraction ) , if two numbers hav different signs ..i.e, one positive and other negative ,then we find their difference now here if you take n as 2 ,then it would be 2-2 = 0 thus for any number n when it has different signs , n-n=0 ...

Hope it helps !!! 

C

Step-by-step explanation: