Rate the difficulty of the following math problem from 1 to 5, 5 being the most difficult.
Simplify: (4x + 8) / (2x - 4)
2. The problem involves basic algebraic manipulation and simplification, making it a moderate difficulty problem.
Complete the following task based on the instruction and optional input provided.### Instruction:
Rate the difficulty of the following math problem from 1 to 5, 5 being the most difficult.

### Input:
Simplify: (4x + 8) / (2x - 4)

### Output:
2. The problem involves basic algebraic manipulation and simplification, making it a moderate difficulty problem.