Question

if a is the predeccsor of b ,then the value of(a-b) and (b-a) are​

Answer 1

Answer:

Step-by-step explanation:

predeccsor means one less than the number so

a = b-1

so

(a-b)

= b-1-b

= -1

and

(b-a)

=b-b-(-1)

=1