Question

what number has a sum of 20 and a differnce of 8

Answer 1

Step-by-step explanation:

let the 2 numbers be x and y.

x+y=20

x-y=8

both it's will get cancelled

2x=20+8

2x=28

x=28÷2

x=14

sum of x and y is 20

x=14

x+y=20

14+y=20

y=6

the larger number is 20