To simplify the expression, we need to apply the distributive property first.
23 - 9 (2x + 5) + 11x can be written as:
23 - 18x - 45 + 11x.
Next, we can combine like terms.
-18x + 11x can be combined as -7x.
23 - 45 simplifies to -22.
So, the simplified expression is:
-7x - 22.