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True or false? A negative decimal number + positive number number will equal 0 because they will cancel each other out.

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1 Answer

It depends. For example: -4 + 2 = -2 (So then the answer would be negative because the positive number was not high enough to get the negative number to 0.)

Or -4 + 7 = 3 (This answer would be positive since the positive number was enough to bring the negative number past 0.) 

Make sense? 

Comments

This would be true if and only if their absolute values are equal. A negative decimal number is any number with a negative sign in front of it. The only way it can be summed (added) to a positive number and equal zero is if the positive number is identical to the negative number but just missing the minus sign. Every other example would NOT equal zero.

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