x-9<=-8

To solve the inequality \( x - 9 \leq -8 \), follow these steps:

1. Add 9 to both sides of the inequality:

   \[ x - 9 + 9 \leq -8 + 9 \]

   This simplifies to:

   \[ x \leq 1 \]

So, the solution to the inequality \( x - 9 \leq -8 \) is:

\[ x \leq 1 \]