Hi

difference of two numbers is 9

Let x and (x+9) represent the first and second number respectively

Question states***

 2x + (x+9)  = 24

Solving for x

       3x = 15

        x = 5   Second number is 14  (5+9)

CHECKING our Answer***

  10 + 14 = 24  

Answer by Jk22(389)   (Show Source): You can put this solution on YOUR website!
 

let a,b be the 2 numbers, then 

 

a-b=9

2a+b=24

 

from the 1st equation we get a=9+b, if we substitute in the 2nd : 



18+2b+b=24 hence 3b=6, and so b=2, giving a=11

 

we verify : 11-2=9 and 22+2=24 

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