|x+2|+|x|+|3x-4|=5 Berapa jawabannya ?
Matematika
DimasPrayoga69
Pertanyaan
|x+2|+|x|+|3x-4|=5
Berapa jawabannya ?
Berapa jawabannya ?
1 Jawaban
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1. Jawaban Darksimple
|x + 2| + |x| + |3x - 4| = 5
x + 2 + x + 3x - 4 = 5
x + x + 3x + 2 - 4 = 5
5x - 2 = 5
5x = 5 + 2
5x = 7
x = 7/5
x + 2 + x + 3x - 4 = -5
x + x + 3x + 2 - 4 = -5
5x - 2 = -5
5x = -5 + 2
5x = -3
x = -3/5
HP = {-3/5, 7/5}