Question 884106
|3x-7| less than or equal to 11
|3x-7|≤11
case 1
3x-7≤11
3x≤18
x≤6
..
case 2
-(3x-7)≤11
3x-7≥-11
3x≥-4
x≥-4/3
solution:
[-4/3,6]