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Verified answer
| 5 - 5x | < 5Sesuai definisi nilai mutlak :
| x | = x atau - x
Maka
| 5 - 5x | < 5
-->
5 - 5x < 5
- (5 - 5x) < 5 --> 5x - 5 < 5
Bagi kdua pertidaksamaan dgn 5
1 - x < 1 --> - (x - 1) < 1
x - 1 < 1
-->
| x - 1 | < 1
maafkalausalah
Verified answer
Materi: Pertidaksamaan Harga Mutlak