Jawabanmu

2014-02-28T12:15:32+07:00
3(x+2)+5=2(x+15)
3x + 6 + 5 = 2x +30
3x + 11 = 2x +30
3x - 2x = -11 + 30
x = 19
x + 2 = 19 + 2 = 21
1 3 1
Jawaban paling cerdas!
2014-02-28T12:16:06+07:00
3(x+2)+5 = 2(x+15)
3x+6+5 = 2x+30
3x+11 = 2x+30
3x-2x = 30-11
x = 19
 jadi , nilai x + 2 = 19 + 2 = 21