To solve the equation $2x + 5 = 9$, follow these steps:

1. Subtract 5 from both sides of the equation: $2x + 5 - 5 = 9 - 5$ Simplifying this gives: $2x = 4$

2. Divide both sides by 2 to isolate $x$: $\frac{2x}{2} = \frac{4}{2}$ Simplifying this gives: $x = 2$

So, the solution is $x = 2$.

Would you like more details on the process or have any other questions?

Here are 5 related questions:

1. What happens if the equation was $2x + 5 = 10$?
2. How do you solve the equation $3x - 7 = 8$?
3. What if the equation was $2x + 5 = 0$?
4. How would you solve the inequality $2x + 5 > 9$?
5. Can you solve for $x$ in $4x + 7 = 15$?

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