12 minus -5 is 17.
12
-7 minus 5 is -12.
6
7 - (-5) = 12
13 + -12 - 5 = -4 13 + -12 = 1 - 5 = -4
Negative 18 minus positive 12 is negative 30.
-4 minus -12 is 8.
-12 minus -6 is -6
7 - (-5) = 7 + 5 = 12 Taking away a negative number is defined as adding its absolute value.
Negative 8 minus 12 is negative 20.
-12 * * * * * Wrong! -4 minus -8 = -4 + 8 = +4