|3x + 5) = 8. Find all values of x which make this equation true.
Jawaban:
1, -13/3
Penjelasan dengan langkah-langkah:
|3x + 5| = 8
if 3x + 5 positive:
3x + 5 = 8
3x = 8 – 5 = 3
Hence x = 1
if 3x + 5 negative:
-3x – 5 = 8
-3x = 8 + 5 = 13
Hence x = -13/3