Question

The sum of two numbers is 12. The difference of the same two numbers is -4. Find the numbers

Answer 1

4,8

Explanation:

let the numbers be x and y

x+y=12

x-y=-4

add

2x=12-4=8

x=8/2=4

4+y=12

y=12-4=8

so numbers are 4 and 8