Jawabanmu

Jawaban paling cerdas!
2014-03-11T14:05:40+07:00
15x - 7 = 8 - 10x 15x + 10x = 8 + 7 15x = 15 x = 1 jadi. 2x + 1 = 2(1) + 1 = 2 + 1 = 3
1 5 1
2014-03-11T14:10:12+07:00
15x-7 = 8-10x
15x    = 8-10x+7
15x+10x = 8+7
25x    = 15
x        = 15/25
x        = 0,6

2x+1 = 2.0,6+1 = 1,2

kalau salah maaf yah..