|x-2|=|x+5| hasilnya apa ya?

Mapel : Matematika
Kelas : X SMA
Materi : Nilai Mutlak

Pembahasan :
|x - 2| = |x + 5|
(x - 2)² = (x + 5)²
(x + 5)² - (x - 2)² = 0
(x + 5 + x - 2)(x + 5 - x + 2) = 0
(2x + 3)(7) = 0
14x + 21 = 0
14x = -21
x = -21/14
x = -3/2

Hp : {-3/2}