Opposite and absolute value
Two numbers, a
are said to be opposite if a+b=0
Thus (+6) y (-6) are opposite numbers, because (+6) + (-6) = 0.
The opposite of a number is indicated by Op(-4) = 4
Absolute value is the unsigned or undirected value of a number.
Absolute value is indicated by two vertical lines surrounding the number ||.
The absolute value of -7 is 7. Thus, |-7| = 7
The absolute value of +5 is 5. Thus,
By the absolute value of a number is meant the distance of the number from the origin on a number line.