[-3+(-1)]+[3+(-1)]=
[-3+(-1)]+[3+(-1)]=-2
Simplify the following: -3-1+3-1 -3-1+3-1 = 3-(3+1+1): 3-(3+1+1) 3+1+1 = 5: 3-5 3-5 = -2: Answer: | | -2
