Question

Why is the additive inverse of a positive number negative?
1.You need to cancel out the addition in order to get 0, therefore you must add a negative number.
2.The additive inverse of a positive number is not a negative number.
3.You need to cancel out the addition in order to get -1, therefore you must add a negative number.
4.You need to cancel out the addition in order to get 1, therefore you must add a negative number.

Answer 1

1.You need to cancel out the addition in order to get 0, therefore you must add a negative number :)