+4 Is subtracting pretty much adding a negative number to a positive number?
(Ex. 1+-1= 1-1)
(Ex. 1+-1= 0 as does 1-1)
(Ex. 15+-9=6 as does 15-9)
(Ex. 7+-8=-1 as does 7-8)
(Ex. 12+-17=-5 as does 12-17)
and etc.
Thanks I'm only 12 but I am curious about this question.
