Question

concepts of + - for example -*-=+but sometimes it's a positive number answer why plz I want to know​

Answer 1

Answer:

hello how are you

Step-by-step explanation:

tell tell

Answer 2

Step-by-step explanation:

when both number are minus then we add them but sign will be nigative

when one number is positive and one number is negative then we subtract them and sign will be of bigger number

But when two negative number multiplies with each other the final product is positive.