Question 261402
If 8 < x, 
then 
{{{abs(8-x)}}}
can be expressed as
x . . . . . . . . . . .7 . . . . . 6 . . . . . 5 . . . . .4 . . . . .3
abs(8-x) . . . . 1 . . . . . . 2 . . . . . 3 . . . . .4 . . . . 5
so we get
8-x