To solve the inequality $x + 6 < 6$:

1. Subtract 6 from both sides: $x + 6 - 6 < 6 - 6$ Simplifying both sides: $x < 0$

So, the solution is $x < 0$.

Would you like a more detailed explanation or have any other questions?

Here are 5 related questions to explore:

1. How do you solve $x - 4 \leq 3$?
2. What happens if the inequality is $x + 6 > 6$ instead?
3. Can you solve $2x + 6 < 10$?
4. How do you represent $x < 0$ on a number line?
5. What are the key differences between solving inequalities and equations?

Tip: When solving inequalities, if you multiply or divide both sides by a negative number, remember to flip the inequality sign.