Jawab:
nilai mutlak
sifat
| a | = | b | maka (a + b)(a - b) = 0
Penjelasan dengan langkah-langkah:
|x + 4| = |2x -20|
(x + 4 +2x -20) (x + 4 - 2x + 20) = 0
(3x - 16)(-x + 24) =0
x= 16/3 atau x = 24
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Jawab:
nilai mutlak
sifat
| a | = | b | maka (a + b)(a - b) = 0
Penjelasan dengan langkah-langkah:
|x + 4| = |2x -20|
(x + 4 +2x -20) (x + 4 - 2x + 20) = 0
(3x - 16)(-x + 24) =0
x= 16/3 atau x = 24