the difference between two numbers is 5 the average of the number is 11 show a organized list to find the number

N+M=11*2

N-M=5
add the equations
2N=27
N=13.5
M=8.5 by analytics
Now, an organized search..

mean 11, difference 5, try 2.5 on each side of 11
8.5,13.5 Duh