Respuesta :

Answer:

X-9

Step-by-step explanation:

Answer:

x - 9

Step-by-step explanation:

Hi there! I'm glad I was able to help you answer this question!

Let's say that the unidentified number is "x", to keep things simple.

You would translate 9 subtracted from "x" into an algebraic expression as shown:

x - 9

You could also write this as 9 - x. It doesn't matter!

I hope this helped you! Comment below if you have any other questions!