Answer: 05
Explanation: To solve this problem, we need to find the integer value of x that makes the equation 3x + 9 = 24 true. To do this, we can start by subtracting 9 from both sides of the equation to get: 3x = 15
Next, we can divide both sides of the equation by 3 to find the value of x: x = 5
Therefore, the integer that makes the equation true is 5. The correct answer is 05.
