Jawabanmu

2014-02-18T18:00:10+07:00
5a + 4 = 2a - 16
5a - 2a = -16 - 4
3a = -20
a = -20/3 
= 6.666
Jawaban paling cerdas!
2014-02-18T18:32:06+07:00
5a + 4 = 2a - 16
5a - 2a = - 16 - 4
       3a = -20
         a = -20/3
1 5 1