|5-×|=|×+3| tolong dibantu jawabanya berapa
Matematika
yoga1038
Pertanyaan
|5-×|=|×+3| tolong dibantu jawabanya berapa
1 Jawaban
-
1. Jawaban Anonyme
Bab Nilai Mutlak
Matematika SMA Kelas X
|5 - x| = |x + 3|
(5 - x)² = (x + 3)²
(5 - x)² - (x + 3)² = 0
(5 - x + x + 3) (5 - x - x - 3) = 0
8 .(2 - 2x) =0
2 - 2x = 0
2 = 2x
2x = 2
x = 2/2
x = 1
HP = { 1 }