3 - (-12) = 3 + 12 = 15.
-12 + 18 - (-15) = -12 + 18 +15 = 21
-15 minus -4 is -11.
negative 24
-14 minus -2 is -12
3 - (-12) = 3 + 12 = 15.
-12 + 18 - (-15) = -12 + 18 +15 = 21
- 3 - 12 = -15
-15 - (-15) = 0
Negative 18 minus positive 12 is negative 30.
-4 minus -12 is 8.
-12 minus -6 is -6
Negative 8 minus 12 is negative 20.
-12 * * * * * Wrong! -4 minus -8 = -4 + 8 = +4
-15 minus -4 is -11.
negative 24
12 minus -5 is 17.