Question

find a negetive integer and a possitive integer whose difference is - 9

Answer 1

the difference of the integer is in negative.so,the larger number should be a negative value

now let us take two numbers whose difference is 9 in the positive value

let us take 19 and 10

so,
10-19. ( greater number should be negative
=(-9)

positive integer is 10 and negative integer is -19