0
Anonymous
-12 - 3 = -15
Wiki User
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9
minus 21 think of it as 12+9 which equals 21 then just whack a minus sign infront
3 minus -9 is 12.
12 minus 1/3 equals 11 and 2/3.
- 3 - 12 = -15
12 - 78 + 2397543 - 124 + 3 = 2397356