Question

Tentukan nilai X yang memenuhi persamaan

|x-4| = 3x+2

Mohon dibantu ya..

Answer 1

Verified answer

Bab Nilai Mutlak
Matematika SMA Kelas X

|x - 4| = 3x + 2

x - 4 = 3x + 2
x - 3x = 2 + 4
-2x = 6
x = -3 (tidak memenuhi)

x - 4 = - 3x - 2
x + 3x = 4 - 2
4x = 2
x = 2/4
x = 1/2

HP = { 1/2 }