Question

20 is the value of two number in addition and 4 is the value of two number in subtraction.than what is the number​

Answer 1

Step-by-step explanation:

hope this will help you

Answer 2

Step-by-step explanation:

let no. be 'x' and 'y'

x + y = 20. (1)

x - y = 4. (2)

solve the equation by elimination method I. e. y is cancelled on comparing both equations you get

2x 24

x = 24/2

x = 12

put x in. (2)

x - y = 4

12 - y = 4

y = 8