You can put this solution on YOUR website! |x+4|/10=-1
|x+4| = -10
There are no solutions because an absolute can never be negative
--------------------------------------------------------------------
3|x/9|+7=8
|x/9| = 1/3
x/9 = 1/3 or x/9 = -1/3
x = 3 or x = -3
----
Cheers,
Stan H.