Which algebraic expression simplifies to 2?

3x + 1 - 3(x - 2) + 5
3x + 1 - 3(x + 2) + 7
-(2x + 2) + 2(x + 1)
-(2x + 2) + -2(x + 1)

The algebraic expression that simplifies to 2 is 3x + 1 - 3(x - 2) + 5.