It Equals 2
It's one !
One plus negative one is zero.
Zero
Zero
Perhaps you mean minus minus one is plus one. Like subtracting (taking away) a debt is equivalent to adding on. If you bank balance is two dollars in the red (debt) if you add 2 dollars, that debt has gone. minus 2 minus minus 2 is zero, same as minus 2 plus 2 is zero.
zero
It can be a plus or a miuns - depending on which one of the two had a greater absolute value. Also, it will be nearer to zero than the larger of the two magnitudes.
Any number minus itself equals zero. Any number plus its opposite equals zero. Any number times zero equals zero.
Zero
"minus zero" is the same as plus zero in that it makes no difference to the sum. So the answer is -3.
the answer is one (1) couldnt you have just used a calculator?!?
three