5) -4+(-3) = -7 because you got -4 and then 3 more negatives so you got 7 negatives
6) -3+2= -1 because you got -3 and then 2 positives , now you have only one negative left
7)5+(-3) = 2 because you have 5 pozitives and then 3 negatives happen, now you got only 2 positives remaining...and so on