Recall that the opposite of 2 is
![-2.](https://img.qammunity.org/2023/formulas/mathematics/high-school/5128cnagluokrr0di9rviwhjr466nimdvk.png)
Therefore, the opposite of the opposite of 2 is
![-(-2)=2.](https://img.qammunity.org/2023/formulas/mathematics/high-school/nn40n6yd847sacc0x82gr05l2xp2vbhypc.png)
Now, recall that a horizontal number line is of the form:
Therefore, 2 is to the right of zero.
Answer:
On a horizontal number line, the opposite of the opposite of 2 is to the right of zero and is written as 2.