Tentukan HP : | x + 5 | = 8

(1) syarat
x + 5 > 0
x > -5

(1)
x + 5 = 8
x = 8 – 5
x= 3

(2)syarat
x + 5 < 0
x< -5

(2)
-(x +5 ) = 8
-x -5 = 8
-x = 8 +5
x = -13

Hp : { -13 , 3 }