Question

The sum of two numbers is 22. The difference is 6. What are the two numbers?

Answer 1

here are 3 solutions

x and 22-x (x+22-x=22)

22-x-x=6

22-2x=6

22-6=2x

16=2x

x=8

22-8=14

x and y

x+y=22

x-y=6

add

2x=28

x=14

14+y=22

y=22-14

y=8