himpunan penyelesaian dari |2x-1|=x+3
Matematika
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Pertanyaan
himpunan penyelesaian dari |2x-1|=x+3
2 Jawaban
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1. Jawaban nabilap0
==Jawaban==
|2x-1|=x+3
2x - 1 = x + 3
2x - x = 3 + 1
x = 4
2x - 1 = -(x + 3)
2x - 1 = -x - 3
2x + x = -3 + 1
3x = -2
x = -2/3
Hp = {-2/3, 4} -
2. Jawaban ahreumlim
|2x - 1| = x + 3
(i)
2x - 1 = x + 3
2x - x = 3 + 1
x = 4
(ii)
2x - 1 = -x - 3
2x + x = -3 + 1
3x = -2
x = -2/3
HP = {-2/3 , 4}