For each positive integer, there is a negative integer, and these integers are called opposites . For example, -3 is the opposite of 3, -21 is the opposite of 21, and 8 is the opposite of -8. If an integer is greater than zero, we say that its sign is positive. If an integer is less than zero, we say that its sign is negative.
Dahil ito ay distansya LAMANG mula sa zero, hindi ito maaaring maging NEGATIVE. Ibig sabihin, kahit na negative ang numerong nakapaloob sa isang absolute value sign na | |, ang katumbas na sagot ay POSITIVE.