berapakah nilai x? |2x+2|=5
Matematika
andrewpurnomo
Pertanyaan
berapakah nilai x?
|2x+2|=5
|2x+2|=5
2 Jawaban
-
1. Jawaban lennych
2x + 2 = 5
2x = 5 - 2
2x = 3
x = 3/2
x = 1,5 -
2. Jawaban Takamori37
Kasus 1, jika positif:
2x+2 = 5
2x = 3
x = 3/2
Kasus 2, jika negatif:
2x+2 = -5
2x = -7
x = - 7/2