Question

The sum of two numbers is 11 and their difference is 9.

Answer 1

Answer:

let two number be x and y

therefore ,

x+y=11 ___ eqn(1)

x-y=9___eqn (2)

adding eqn (1) and (2)

Step-by-step explanation:

x+y=11

x-y=9

_____

2x = 20

x =10

putting value of x in eqn (1)

10+y=11

y =11-10

y = 1

value of two number are 10 and 1