Question

8. Write down a pair of integers whose (i) sum is - 9 (ii) difference is - 7 (iii) sum is o​

Answer 1

Answer: x = -8 , y = -1

Step-by-step explanation:

Let the two integers be a and b respectively,

a + b = -9 (i)

a - b= -7 (ii)

Adding (i) and (ii),

2a = -16

a = - 8

Now putting a value in (i)

- 8 + b = -9

b = -9 + 8

b = -1

Now talking about the third part of the question, the answer is not defined

Answer 2

Step-by-step explanation:

that is he can bracket (5 - 5