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Verified answer
Mapel : MatematikaKelas : X SMA
Materi : Persamaan Nilai Mutlak
Pembahasan :
|x - 2| = x
(x - 2)² = x²
(x - 2)² - x² = 0
(2x - 2)(-2) = 0
-4x + 4 = 0
-x + 1 = 0
x = 1
Hp : {1}