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Best Answer

minus 21

think of it as 12+9 which equals 21

then just whack a minus sign infront

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Wiki User

โˆ™ 11y ago
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Wiki User

โˆ™ 10y ago

-9 - (-12) = 3

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Wiki User

โˆ™ 13y ago

12 - 9 = 3

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Anonymous

Lvl 1
โˆ™ 4y ago

3

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Q: What is minus 12 minus 9?
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