I 3X-4 I ≤2 TOLONG CARA KERJA DAN HPNYA (...,..)
Matematika
Royalpopcorn
Pertanyaan
I 3X-4 I ≤2
TOLONG CARA KERJA DAN HPNYA (...,..)
TOLONG CARA KERJA DAN HPNYA (...,..)
2 Jawaban
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1. Jawaban ahreumlim
|3x - 4| ≤ 2
-2 ≤ 3x - 4 ≤ 2
-2 + 4 ≤ 3x ≤ 2 + 4
2 ≤ 3x ≤ 6
2/3 ≤ x ≤ 2
HP : {x| 2/3 ≤ x ≤ 2 , x ∈ R} -
2. Jawaban cicisyadila
I 3X-4 I ≤ 2 = -2 ≤ 3x - 4 < 2
-2 + 4 ≤ 3x - 4 + 4 < 2 +4
2 ≤ 3x < 6
2/3 ≤ 3x/3 < 6/3
2/3 ≤ x < 2 <= Hp