Question

find the number
• sum 12,difference 8

plzz answer me.and plzz explain step-by-step​

Answer 1

Answer:

let the numbers be x and y

x + y = 12

x - y = 8

adding the two equations,

2x = 20

x = 10

substitute in the first equation

10 + y = 12

y = 2

hence numbers are 10 and 2