selesaikan persamaan nilai mutlak berikut |x+2/x-2|=5 ?
Matematika
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Pertanyaan
selesaikan persamaan nilai mutlak berikut
|x+2/x-2|=5 ?
|x+2/x-2|=5 ?
1 Jawaban
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1. Jawaban Anonyme
|(x + 2)/(x - 2)| = 5
• (x + 2)/(x - 2) = 5
x + 2 = 5x - 10
2 + 10 = 5x - x
x = 12/4
x = 3
• (x + 2)/(x - 2) = -5
x + 2 = -5x + 10
x + 5x = -2 + 10
6x = -8
x = -8/6
x = -4/3