Selesaikan nilai mutlak dari 4x-3=9

| 4X - 3 | = 9
4X - 3 = 9
4X = 9 + 3
4X = 11

#4X = 11
4X = 11
X = 11 - 4
X = 7

#4X = -11
4X = -11
X = (-11) + (-4)
X = -15

HP {-15,7}

Maaf jika salah. Semoga membantu ^_^