Jawabanmu

2014-03-15T18:57:53+07:00
2014-03-15T18:58:17+07:00
 2-[ 4+x] ≥ - 22
-8 -2x     
≥ -22
       -2x  ≥ -14
        -x   ≥ -7
          x  ≤ 7

smg membantu
2-(4+x) ≥-22
2-4-x ≥ -22
-2-x ≥ -22
-x ≥-20
x ≤ 20
HP = {x│x ≤ 20, x € R}