Hi,         

Let x and (x+14) represent the numbers

Write as we Read***

x +(x+14) - 9 = 11

Solving for x

  2x + 5 = 11

    2x = 6

     x = 3, one of the numbers. The other number is 17.  (.+14)

CHECKING our Answer

 3 + 17 - 9 = 11 

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