persamaan nilai mutlak |2x-3|= |-x|
Matematika
pujayulianti
Pertanyaan
persamaan nilai mutlak |2x-3|= |-x|
1 Jawaban
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1. Jawaban Anonyme
Bab Nilai Mutlak
Matematika SMA Kelas X
|2x - 3| = |-x|
(2x - 3)² = (-x)²
(2x - 3)² - (-x)² = 0
(2x - 3 - x) (2x - 3 + x) = 0
(x - 3) (3x - 3) = 0
x - 3 = 0
x = 3
3x - 3 = 0
3x = 3
x = 3/3
x = 1