tolong ya saya lupa caranya

Nomor 12 :
2 (x - 3) + 1 > 3 (2x + 6) - 3
2x - 6 + 1 > 6x + 18 - 3
2x - 5 > 6x + 15
2x - 6x > 15 + 5
- 4x > 20
x < 20/-4
x < - 5

x = {..., - 8 , -7, -6} opsi A

2(x - 3) + 1 > 3(2x + 6) - 3.
2x - 6 + 1 > 6x + 18 - 3.
2x - 5 > 6x + 15.
(-5) - 15 > 6x - 2x.
-20 > 4x.
-20/4 > x.
-5 > x.

HP = {..., -8, -7, -6}.
Jawaban : A.