Persamaan |3x-3|=|3x+5|
Matematika
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Pertanyaan
Persamaan |3x-3|=|3x+5|
1 Jawaban
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1. Jawaban mohryanef
|3x-3| = |3x+5|
(3x-3)² = (3x+5)²
(3x-3)² - (3x+5)² = 0
[(3x-3)+(3x+5)][(3x-3)-(3x+5)] = 0
(6x+2)(-8) = 0
-48x - 16 = 0
-48x = 16
6x = -2
3x = -1
x = -1/3