Answer:
the number is 7
Explanation:
I am not sure what you mean by "translate" but here is my solution to the problem.
first write the question as a equation: 3x - 5 = 16
then add 5 to both sides: 3x = 21
divide both sides by 3: x = 7
double check
3*7 - 5 = 16
the number is 7