himpunan penyelesaian dari|5× - 4| - 4 =10
Matematika
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Pertanyaan
himpunan penyelesaian dari|5× - 4| - 4 =10
1 Jawaban
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1. Jawaban AlvinMaulanaR
|5x - 4| -4 = 10
|5x - 4| = 10 + 4
|5x - 4| = 14
5x - 4 : 5x - 4 jika x >= 4/5
: -5x + 4 jika x < 4/5
5x - 4 = 14
5x = 14 - 4
5x = 10
x = 10/5
x = 2
-5x + 4 = 14
-5x = 14 - 4
-5x = 10
x = -10/5
x = -2