When you are adding 2 integers you will get a sum that is negative
When adding 1 integer that is negative and 1 that is positive the sum will depend on how larger the absolute value is for the 2 integers to tall if the answer is positive or negative
Theo's overall change is $21 because since they are different signs of adding integers, you subtract the absolute value of the greatest to the least and the higher absolute value u use the same sign as
