Nilai x dari persamaan ∣2x+1∣=3
Matematika
ramadhanizakari
Pertanyaan
Nilai x dari persamaan ∣2x+1∣=3
2 Jawaban
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1. Jawaban Wan98
|2x + 1| = 3
2x + 1 = 3
2x = 2
x = 1
dan
-(2x + 1) = 3
2x + 1 = -3
2x = -4
x = -2
HP = { -2, 1} -
2. Jawaban ArZain
∣2x+1∣=3
2x + 1 = 3
2x = 3 - 1
2x = 2
x = 2/2
x = 1
2x + 1 = -3
2x = -3 - 1
2x = -4
x = -4/2
x = -2
Hp = {-2,1}