Can u guys me already. smart people out there

To solve this, we just need to break down the problem. We can form our equation by doing so.

"The difference"
This tells us that we are doing a subtraction problem.
-

"of a number"
This shows that it will be a variable minus something.
n-

"and 7"
This shows that our next number will be 7.
n-7

Using the logic above, we can see that the equation to represent this is n-7.

Socrat use det app ok