Answer:
To add a negative integer and a positive integer, just think of changing the negative integer to a positive one and subtracting this from the original.
Explanation:
To add a negative integer and a positive integer, just think of changing the negative integer to a positive one and subtracting this from the original.
For example: 7 + -5. If you look, You are adding 5 negatives to a 7: you are subtracting 5 from 7. Subtracting a negative integer is the same as adding.
6 - -7, for example. You are subtracting 7 negatives from 6, or adding 7 to 6.