Will someone please explain to me how to simplify -10n - 6 + n - 5

And
-6(n-9)

Combine like terms:

-10n+n=-9n
6-5=1

The answer is 9n+1

Then here u do the distributive property.
-6 x n=-6n and -6 x-9=54
So the answer is -6n - 54