-11 minus -20 is 9
-2.
It is: -9-2 = -11
2 - -9 = 2 + 9 = 11
a negative minus a positive is a negative ex: -12-13=-25 -9-2=-11 -100-1=-101
9 - -2 = 11
-16 minus -9 is -7
9+2=11, because 2 negatives equal a plus (--=+).
11/2 or 5 and a half.
-9 minus -4 is -5
-11
negative 9 -9