0 was kidnapped from its house. Beyond the wall, as shown in the figure, is where the kidnappers live. The numbers who live beyond the wall are called
negatives
additive inverses
opposites
The number to the left of zero would be one less than zero, i.e., 0−1=−1
to the left of −1, we would have −1−1=−2 and so on...
−1,−2,−3... are negative numbers.
The additive inverse of a number x is the number that, when added to x, yields zero.
for example, 2+(−2)=0
so −2 is said to be the additive inverse of 2.