nilai x yangmemenuhi |3x-5|=|2x+20|

3x-5=2x+20
x=25
bener gak sihhh

Bab Nilai Mutlak
Matematika SMA Kelas X

|3x - 5| = |2x + 20|

(3x - 5)² = (2x + 20)²
(3x - 5)² - (2x + 20)² = 0
(3x - 5 + 2x + 20) (3x - 5 - 2x - 20) = 0
(5x + 15) (x - 25) = 0
5x + 15 = 0                atau          x - 25 = 0
5x = -15                                      x = 25
x = -3

HP = { -3, 25 }