Answer:

Step-by-step explanation:
Hello, please consider the following.
For any x real number,

Hope this helps.
Do not hesitate if you need further explanation.
Thank you
Answer:
x<《-4,12》
Step-by-step explanation:
inequalities:
x-4<8, x-4>0
-(x-4)<8, x-4-<0
intersections:
x<12, x>4
x>-4, x<4
x<[4,12》
x<《-4,4》
x<《-4,12》
Answer is 30,000 ......................................