|3×+2|=5 |x-2|=|2x-1|
Matematika
rinayeon
Pertanyaan
|3×+2|=5
|x-2|=|2x-1|
|x-2|=|2x-1|
1 Jawaban
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1. Jawaban 4LL
Nilai Mutlak
|3x + 2| = 5
3x + 2 = 5
3x = 5 - 2
x = 3 : 3
x = 1
3x + 2 = -5
3x = -5 - 2
x = -7/3
HP {1 , -7/3}
|x - 2| = |2x - 1|
x - 2 = 2x - 1
x - 2x = -1 + 2
-x = 1
x = -1
x - 2 = -(2x - 1)
x - 2 = -2x + 1
x + 2x = 1 + 2
3x = 3
x = 1
HP {-1 , 1}
semoga berguna +_+