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Verified answer
Materi : Nilai MutlakBahasan : Persamaan Nilai Mutlak
Jawaban : x = - 1
Langkah - langkah :
|x - 2| = |x + 4|
(x - 2)² = (x + 4)²
x² - 4x + 4 = x² + 8x + 16
- 12x = 12
x = - 1