Melody stated that the sum of a positive and a negative integer equals a negative integer or 0.
use these numbers to answer the questions:
–7, 3, 8, –5, 7
(a) is this statement always true, sometimes true, or always false? write three equations to support your answer.
(b) pretend that you need to explain to a friend what happens how you determine whether a sum will be positive, negative, or 0 when adding a positive and a negative decimal.