Nilai mutlak 2x+5 besar sama 9
Matematika
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Pertanyaan
Nilai mutlak 2x+5 besar sama 9
1 Jawaban
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1. Jawaban NellaNa70
| 2x + 5 | ≥ 9
2x + 5 ≥ 9
2x ≥ 9 - 5
2x ≥ 4
x ≥ 4/2
x ≥ 2
2x + 5 ≤ -9
2x ≤ -9 - 5
2x ≤ -14
x ≤ -14/2
x ≤-7