Question

the sum of two numbers is 30 and their difference is 20

Answer 1

Answer:

let

x+y=30 _1

x-y=20_2

x=20+y put it in 1st equation

20+y+y=30

2y =10

y=5

x=25

Answer 2

Answer:  x= 25 y= 5

explanation: i did the math and got this awnser. i hope you enjoy!