Jawabanmu

2014-03-02T19:54:04+07:00
2x ≥ 3 (x+1) - 9
2x ≥ 3x + 3 - 9
2x-3x ≥ 3-9
-x ≥ -6
-x ÷ -1 ≤ -6 ÷ -1
x ≤ 6
1 4 1