Question

What inequality is equivalent to |x-4| <8?

Answer 1

x<《-4,12》

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》