To solve the equation $6x + 9 = 12$, follow these steps:

1. Subtract 9 from both sides to isolate the term with $x$: $6x + 9 - 9 = 12 - 9$ $6x = 3$

2. Divide both sides by 6 to solve for $x$: $x = \frac{3}{6}$ $x = \frac{1}{2}$

So, the solution is $x = \frac{1}{2}$.

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

Here are 5 related questions you might want to explore:

1. What if the equation was $6x + 9 = 0$?
2. How would you solve $6x + 9 = -12$?
3. What happens if you multiply both sides of $6x + 9 = 12$ by 2?
4. Can you graph the equation $6x + 9 = 12$ and its solution?
5. How do you solve equations involving fractions, like $6x + \frac{9}{2} = 12$?

Tip: Always perform the same operation on both sides of the equation to maintain equality.