Question

the sum of two numbers is 20 and their difference is 8

Answer 1

Answer:

Step-by-step explanation:

let the two numbers be x and y respectively

now,

x + y = 20 .. (1)

x - y = 8    .. (2)

adding (1) and (2)

x + y +x - y = 20 + 8

2x = 28

x = 14

putting x = 14 in (1)

14 + y = 20

y = 6

Answer 2

Answer:

20-8=12

i don't know how to do this plz dont be mad

Step-by-step explanation: