Answer: x = 18 and y = 14
The difference is 4, and half of 18 is 9 and 9 + 14 is 23
Explanation:
Keep the 2 numbers as 2 variables
x - y = 4
x + (y/2) = 23
We can use the substitution method here
x = 4 + y
4+y + (y/2) = 23
y = 14
x = 4 + y
x = 4 + 14
x = 18