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Kelas : X SMA
Materi : Persamaan Mutlak
Pembahasan :
-5|3x - 7| + 4 = 14
-5|3x - 7| = 10
|3x - 7| = -2
Ingat nilai mutlak selalu POSITIF, karena disoal bernilai -2 (negatif). Maka tidak ada x yang memenuhi
Hp : { }
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|4x - 8| = 0
4x - 8 = 0
4x = 8
x = 2
Hp : {2}