the sum of 2 continues numbers is 18.find the two numbers

"continues"?

best guess: consecutive.

x + x+1 = 18
oops. x is not an integer.

This is an example of why some questions go unanswered.
Rather than figure out what you mean, it's easier just to go to the next question.
It's not my job to figure out what you mean. It's your job to say it so clearly you cannot be misunderstood.