4x – 12 = -8 persamaan By Admin ReiPosted on December 7, 2022 4x – 12 = -8 persamaan x = 1 Pembuktian : 4x – 12 = – 8 4(1) – 12 = –8 4 – 12 = –8 –8 = –8 ✔️ ..