# if A is a negaive integer, what number, when added to A, makes a sum of 0?

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if A is a negative integer, what number, when added to A, makes a sum of 0?

27 March 2013

If A is negative number, then we should add the same positive number so the sum is 0. That means that we should add -A (minus A) which is positive.

28 March 2013

Minus A

28 March 2013

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