Positive 3 plus negative 5 minus negative 2 minus positive 4 is equal to -4.
-4 minus -12 is 8.
-12 * * * * * Wrong! -4 minus -8 = -4 + 8 = +4
-4 - 6 - (-10) = 0
(-3)-(4)=(-3)+4=1 Minus times minus equals plus. The reason for this we need not discuss.
Negative twenty nine minus negative twenty one is negative eight.
-223/4
-40 minus -20 is -20.
Eighteen minus a negative 3 is twenty-one (21).
-30
21
41
Twenty
-28
negative six
-42
29