To solve the equation $3(x + 2) = 15$, follow these steps:

1. Distribute the 3 on the left side: $3x + 6 = 15$

2. Subtract 6 from both sides to isolate the term with $x$: $3x = 9$

3. Divide both sides by 3 to solve for $x$: $x = 3$

So, the solution is $x = 3$.

Would you like more details on this, or do you have any questions?

Here are 5 related questions you might find interesting:

1. How would the solution change if the equation was $3(x + 2) = 18$?
2. What happens if you divide both sides by 3 before subtracting 6?
3. How can you check your solution after finding $x$?
4. What if the equation was $3(x + 2) = 0$?
5. How do you solve $3(x + 2) = 15$ if you wanted to use a different method, like graphing?

Tip: Always remember to check your solution by substituting the value back into the original equation.