Question

find the number such that one of them exceed the other by 9
and their sum is 18​

Answer 1

Let the two numbers be a , b (a > b)

given , a - b = 9 ; a + b = 18.

solving the two equations we get ,

a = 27 / 2 ; b = 9/2.

Hope this helps you ✌️✌️☘️☘️.

Answer 2

let the number be x

it exceed by 9

x+9=18

x=18-9

x=9