Jawabanmu

2014-09-06T16:00:52+07:00
2x + 3 = 4x + 5
-5 + 3 = 4x - 2x
  \frac{-2}{2}= \frac{2x}{2}   
-1 = x
Jawaban paling cerdas!
2014-09-06T18:03:12+07:00
2x + 3 = 4x + 5 3-5 = 4x-2x -2 = 2x -2/2 = x -1 = x
2 5 2