Question: Which of the following is a solution to the equation 3x + 7 = 16?

Options:

1. x = 3
2. x = 2
3. x = 1
4. x = 0

Correct Answer: x = 2

Solution:

Step 1: Subtract 7 from both sides: 3x = 9. Step 2: Divide both sides by 3: x = 3.