Jawabanmu

Jawaban paling cerdas!
2014-03-19T19:43:20+07:00
1. 5x - 4 (2 - 3x)= 9
5x - 8 + 12x = 9
17x = 9 + 8
17x = 17
x = 17/17
x = 1

2.    6 - (3x + 2) < 19
6 -3x - 2 < 19
4 - 3x < 19
-3x > 19-4
-3x > 15
x > 15/ -3
x > -5


#tanda < dan > kurang tanda _ nya
1 5 1