Question

Write a pair of integers whose sum is 15 and difference is - 9

Answer 1

Answer: 3 and 12

Step-by-step explanation:

Let the integers be x and y.

x+y=15

x-y=-9

Add both equations-

x+y+x-y=15+(-9)

2x=6

x=3

We know x+y=15

3+y=15

y=12

Therefore the integers are 3 and 12.