Question

3- | 2x-4 | = 2

*tolong ya dibantu materi persamaan nilai mutlak*

Answer 1

Verified answer

Materi: PHM

=> |2x-4| = 1
Untuk
2x - 4 = 1, berarti 2x = 5 atau x = 5/2
Untuk
2x - 4 = -1, berarti 2x = 3 atau x = 3/2

Answer 2

Verified answer

Mapel : Matematika
Kelas : X SMA
Bab : Mutlak

Pembahasan :
3 - |2x - 4| = 2
|2x - 4| = 3 - 2
|2x - 4| = 1
(2x - 4)² = 1²
(2x - 4)² - 1² = 0
(2x - 4 + 1)(2x - 4 - 1) = 0
(2x - 3)(2x - 5) = 0
x = 3/2
x = 5/2

Hp : {3/2 , 5/2}