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

Nilai Mutlak

|2x - 5| |x + 3|

2x - 5 = x + 3
2x - x = 3 + 5
x = 8

2x - 5 = -(x + 3)
2x - 5 = -x - 3
2x + x = -3 + 5
3x = 2
x = ⅔

HP {8 , ⅔}

Semoga berguna +_+

|2x - 5| = |x + 3| (kuadratkan ke-2 ruas)
(2x - 5)²=(x + 3)²
(2x - 5)² - (x + 3)²=0
(INGAT! (a²-b²)=>(a+b)(a-b)
(2x - 5 + x + 3)(2x - 5 - x - 3)=0
(3x - 2)(x - 8)=0

Pembuat 0
3x - 2=0
x=⅔

x - 8=0
x=8

HP:{⅔,8}