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Why when subtracting a negative number must you change the subtraction sign to an addition sign?
Because a negative negative is the same a a positive, and because of the definition of subtraction and addition.
What do you do when you subtract a negative number?
6 - (-2) when changing the first sign ( which is the mechanistic form here ) you need to change the second sign. The subtraction sign changes to positive and the negative sign also changes to positive. so... 6 - (-2) becomes 6 + 2 = 8
What is 15 minus negative 22?
When dealing with addition and subtraction regarding negative numbers, it is important to remember that negative numbers will act in the opposite way as a positive number. For example, in this problem, 15 - (-22) , It may be easier to re-write it as this: 15 + 22 The negative sign of the 22 will be negated by the subtraction sign. 15 - (-22) = 37
What is the opposite of less than sign?
The less than sign I believe that you are talking about is the minus/subtraction sign? The addition sign, +, is the opposite of the subtraction sign :)
What is the sign use in subtraction called?
It is called the minus sign. - .
