Question

The sum of two numbers is 42 and the difference is 18

Answer 1

30 and 12 because add them together and they get 42 and subtract them they are 18.

Answer 2

let b>a

b-a=18

b=18+a and we are told that:

a+b=42, using b from above we have:

a+18+a=42

2a+18=42

2a=24

a=12, since b=18+a

b=30

So the two numbers are 12 and 30.