Jawabanmu

2014-08-14T19:28:49+07:00
5k + 3 -3(2k-4)
5k +3 (-3 X 2k) (-3 X -4)
-5k + 3 -6k + 12
-5k -6k + 7 + 12
=-11k+19
2014-08-14T19:30:04+07:00
5k+3 = -3(2k-4)
5k+3 = -6k+12
11k = 9
k = 9/11