Jawabanmu

Jawaban paling cerdas!
2014-04-16T06:44:04+07:00
1. 7a = -3
 a = -3/7
2.-4b = 6-8
 b = -2/-4
 b = 1/2
3.24y-11 = 33-20y
 24y+20y = 33+11
 44y = 44
 y = 1

semoga membantu:)
1 5 1
2014-04-16T06:49:15+07:00