Question

The sum of two numbers is 15 and the difference 3

Answer 1

Let the numbers be x and y.

x+y=15 -------- (1)

x-y=3 ----------(2)

from eqn (1) & (2)

x+y+x-y=15+3

2x=18

x=9

9+y=15

y=6..

Answer 2

Answer:

numbers are 9 and 6 respectively