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Verified answer
Bab Nilai MutlakMatematika SMA Kelas X
|3x + 2| = 2
(3x + 2)² = 2²
(3x + 2)² - 2² = 0
(3x + 2 + 2) (3x + 2 - 2) = 0
(3x + 4) 3x = 0
3x + 4 = 0
3x = -4
x = -4/3
atau
3x = 0
x = 0
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pengujian
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|3 . (-4/3) + 2| = 2
|-4 + 2| = 2
|-2| = 2
2 = 2
|3x + 2| = 2
|0 + 2| = 2
|2| = 2
2 = 2