Answer:
Let's suppose we're using "n" for an unknown number:
15 times that number would be written as 15n.
4 less than 15 times a number would be written as 15n - 4.
So, the final answer is 15n - 4
I hope this helps! :)
-4 + 15x or alternately 15x - 4
5.8m questions
7.5m answers