Math Skill: Inverse Equations 1
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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

Complete the equation that is the inverse of the original.
 1.   An inverse equation of 2 + 1 = 3 is 2.   Since 4 + 3 = 7,   7 - 3 =

Complete the equation that is the inverse of the original.
 1.   Since 1 + 3 = 4,   4 - 3 = 2.   An inverse equation of 5 - 5 = 0 is

Complete the equation that is the inverse of the original.
 1.   Since 10 - 6 = 4,   4 + 6 = 2.   Since 2 + 5 = 7,   7 - 5 =

Complete the equation that is the inverse of the original.
 1.   Since 2 - 2 = 0,   0 + 2 = 2.   An inverse equation of 15 - 9 = 6 is

Complete the equation that is the inverse of the original.
1An inverse equation of 2 + 1 = 3 is
2Since 4 + 3 = 7,   7 - 3 =

Complete the equation that is the inverse of the original.
1Since 1 + 3 = 4,   4 - 3 =
2An inverse equation of 5 - 5 = 0 is

Complete the equation that is the inverse of the original.