-13 minus -4 is -9
-9 minus -4 is -5
22
-4 minus 9 is -13
-13 minus -13 is 0.
a negative minus a positive is a negative ex: -12-13=-25 -9-2=-11 -100-1=-101
-8 - (-13) = - 8 + 13 = +5 ( minus a minus is a plus)
Negative 6 minus 7 is Minus 13!
-16 minus -9 is -7
Negative 13 is.
negative 9 -9
-39 minus -26 is -13