Can increment be negative?

Yes, if you continue to add negatives together the sum will be a negative. i think about as a good thing happening to a bad thing is a bad thing

It depends on the arithmetic operation you are performing:---------------------------------In Addition Negatives and negatives have a negative sum. The only way to obtain a positive sum is to have a...

A negative + a negative + a negative equals a negative. Adding a negative number is equal to subtracting a positive number. For example: -2+(-2)+(-2) = (-2)-2-2-2+(-2)+(-2) = (-4)-2-2+(-2)+(-2) = (-6)

It's a negative plus a positive.

No, a negative multiplied by a negative is a positive, as is of course a positive multiplied by a positive. Only when a negative is multiplied by a positive is the answer negative.