Question

The sum of two numbers is 9 and thier diffence is 7

Answer 1

Answer:

let first no. be x

let second no. be y

now

x+y=9

x=9-y

and

x-y=7

putting value of x in second eqn

9-y-y=7

9-2y=7

9-7=2y

y=1

and x =9-y=9-7=2

therefore the no.s are 1 and 2