how to find the two numbers

Question

The sum of two numbers is 33 the first number minus the second number is 18 how do I find both numbers

Answer 1

the two numbers are 25 1/2 and 7 1/2 or 25.2 and 7.5

x+y= 33

x-y=18

add those 2 equations to get

2x = 51

x = 51/2 = 25.5

y = 33-25.5 = 7.5