Jawabanmu

2014-06-02T18:08:37+07:00
6x - 5 = 4x - 15
6x - 4x = - 15 + 5
2x = - 10
x = -5
2014-06-02T18:26:55+07:00
6x - 5 = 4x - 15
6x -5 + 5 = 4x - 15 + 5
6x = 4x - 10
6x - 4x = 4x - 10 - 4x
2x = - 10
2x : 2 = - 10 :2
x = - 5

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