Himpunan penyelesaian |x-2| ≤ 2|2x+3|

Jawab:

|x-2| ≤ 2|2x+3|

|x-2| ≤ |4x+6|

( x – 2 + 4x + 6 ) (x-  2  - 4x – 6 )≤ 0

(5x + 4)(-3x – 8) ≤  0

x ≥ – 4/5  atau x ≤ -8/3