Inverse Equations 1

Addition and subtraction have an inverse relationship.

Since 2 + 3 = 5, we also know that

5 - 3 = 2
5 - 2 = 3

You can do the same thing for subtraction.
Since 7 - 4 = 3, we also know that

4 + 3 = 7
3 + 4 = 7