bagaimana cara mengerjakan soal ini..?

2/3x - 10 = 5/6x -9
2/3x - 5/6x = -9 + 10
4/6x -5/6x = 1
-1/6x = 1 (kalikan - 6)
(-6)(-1/6)x = 1.(-6)
x = -6
5 - x = 5 - -6 = 5+6= 11