Respuesta :
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!