Absolute value:
The absolute value of a number x is the non- negative value of x without regards to its sign.
[tex]|-x|=x,\text{ |x|=x}[/tex]For the number -7.75 , absolute value is,
[tex]|-7.75|=7.75[/tex]The absolute value of 82.5 is,
[tex]|82.5|=82.5[/tex]