Jawabanmu

2014-02-24T19:34:25+07:00
7x - 5 = 3x +11,nilai 4x - 27x - 5 = 3x + 11
7x - 3x = 11 + 5
4x = 16
x = 16 / 4 = 4
nilai 4x - 2
= 4 (4) - 2
= 16 - 2 = 14
1 4 1
2014-02-24T19:39:05+07:00
7x-5=3x+11
7x - 3x=11 + 5
14x = 16
x = 16:4
x = 4
maka, 4x -2 = 4(4) -2
= 16 -2
= 14
1 5 1