cari lah nilai x yg memenuhi persamaan nilai |x-2|=|x+1|
Matematika
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Pertanyaan
cari lah nilai x yg memenuhi persamaan nilai |x-2|=|x+1|
1 Jawaban
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1. Jawaban Eli3173
|x - 2| = |x + 1|
(x - 2)² = (x + 1)²
(x - 2)² - (x + 1)² = 0
(x - 2 + x + 1)(x - 2 - x - 1) = 0
(2x - 1)(-3) = 0
2x - 1 = 0
2x = 1
x = 1/2