tolong bantu saya mengerjakan soal no 7 8 9

7. 2x + 3/2 = 2/3 (x+1)
2x + 3/2 = 2/3x + 2/3
2x - 2/3x= 2/3 - 3/2
12/6x - 4/6x= 4/6 - 9/6
8/6x = -5/6
x = -5/6 . 6/8
x = -30/40
x = -3/4