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Math and Arithmetic

What is -2 plus -1?


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Herman Homenick
Answered 2021-03-01 17:08:02

-3

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Answered 2009-04-25 22:43:55

When adding two negative integers, add them just like they are positive integers, then add a negative sign. We have 2+1=3, so the answer is -3. Adding a positive integer to a larger negative integer is a little harder. For example, -10+3=-7 because, when adding a negative integer to a smaller positive integer, we subtract just like the smaller integer is negative (10-3=7), then we add a negative sign: -7.

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