Thus 3 − (−5)  =  3 + 5  =  8 and (−5) − (−8)  =  (−5) + 8  =  3.
그러므로 3 − (−5)  =  3 + 5  =  8 그리고 (−5) − (−8)  =  (−5) + 8  =  3.