When you have two negative signs, one turns over, and they add together to make a positive. If you have a positive and a negative, there is one dash left over, and the answer is negative.
When you add two negatives do you get a negative?
When you have two negative signs, one turns over, and they add together to make a positive. If you have a positive and a negative, there is one dash left over, and the answer is negative.
What is the sum of a negative and a negative?
https://www.youtube.com/watch?v=ds2YvLWVcbQ
Why do 2 negatives equal a positive?
Each number has an "additive inverse" associated to it (a sort of "opposite" number), which when added to the original number gives zero. ... The fact that the product of two negatives is a positive is therefore related to the fact that the inverse of the inverse of a positive number is that positive number back again.Mar 18, 1997
Why do 2 negatives make a positive?
Each number has an "additive inverse" associated to it (a sort of "opposite" number), which when added to the original number gives zero. ... The fact that the product of two negatives is a positive is therefore related to the fact that the inverse of the inverse of a positive number is that positive number back again.Mar 18, 1997
Does a plus and a negative make a negative?
Adding and multiplying combinations of positive and negative numbers can cause confusion and so care must be taken. Two 'pluses' make a plus, two 'minuses' make a plus. A plus and a minus make a minus.