The sign doesn't change.
Chat with our AI personalities
Multiply it by 2 as for example 3+3 = 6 which is the same as 2*3 = 6
what is the rule in adding rational numbers
The value of the answer is the sum of the absolute values of the numbers and the sign of the answer is the same as that of the two numbers.
It is one on the "index laws".
The magnitude of the answer is the difference between the two numbers and it has the sign of the integer which has the bigger magnitude. I guess so?