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Answered 2010-10-07 02:22:00
Adding a negative number is just the same as subtracting a positive number.
So 3 plus (-4) is the same as 3 minus 4.
The answer to 3 - 4 is the inverse of the answer to 4 - 3
So if 4-3=1 then 3-4=-1
Other useful rules:
Taking away a minus number is the same as adding a plus number.
Subtracting a plus number, or adding a minus number, is the same as taking away a positive number.
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Related Questions
Is a negative number is an integer?
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Yes, and also a negative integer divided by a negative integer is equal to a positive number (but not necessarily an integer).
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If you divide a positive number (it doesn't really matter if it is an integer or a fraction) by a negative number, the result is negative.
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If the number is 0 or positive, then its absolute value is itself. If the integer is negative, then its absolute value will be its negative (which will be positive).To illustrate the second case, Abs(-3) = -(-3) = +3.
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