Dik: |2x-3| = |4x+21| Dit: Himpunan Penyelesaian?
Matematika
Royy18
Pertanyaan
Dik: |2x-3| = |4x+21|
Dit: Himpunan Penyelesaian?
Dit: Himpunan Penyelesaian?
1 Jawaban
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1. Jawaban 18Navillera
| 2x - 3 | = | 4x + 21 |
2x - 3 = 4x + 21
4x - 2x = -3 - 21
2x = -24
x = -12
-(2x - 3) = 4x + 21
-2x + 3 = 4x + 21
4x + 2x = 3 - 21
6x = -18
x = -3
Hp = {-3 , -12 }