tentukan HP : | x + 5 | = 8
Matematika
Hassma
Pertanyaan
tentukan HP : | x + 5 | = 8
1 Jawaban
-
1. Jawaban SeptianiPrnm
(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 }