To solve the equation $2x + 5 = 9$:

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

2. Divide both sides by 2: $\frac{2x}{2} = \frac{4}{2}$ $x = 2$

Thus, the solution is $x = 2$.

Would you like more details or have any questions?

Here are some related questions:

1. How do you solve $3x + 7 = 16$?
2. What happens when you subtract terms from both sides of an equation?
3. How do you check if your solution to a linear equation is correct?
4. How do you solve $4x - 5 = 15$?
5. What is the general process for solving equations with variables on both sides?

Tip: Always simplify the equation step by step to avoid errors!