find the opposite or additive inverse of -38
http://www.mathwords.com/a/additive_inverse_number.htm
To find the opposite or additive inverse of a number, you simply change its sign.
The opposite or additive inverse of -38 is 38.
To find the opposite or additive inverse of a number, you simply change the sign of the number to its opposite.
In this case, the number is -38. To find its opposite or additive inverse, change the sign of -38.
When you change the sign of a negative number, it becomes positive. Hence, the opposite or additive inverse of -38 is 38.