Jawabanmu

2014-02-18T11:16:10+07:00
2x-4>3x+9 =
2x-3x>9+4
-x>13
x>-13
x<13

2014-02-18T11:39:17+07:00
2x-4>3x+9
=
5x-4+9
=5x>5
=x>5/5
x=1