tentukan nilai x yg memenuhi persamaan |2x-1|=9
Matematika
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Pertanyaan
tentukan nilai x yg memenuhi persamaan |2x-1|=9
1 Jawaban
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1. Jawaban uminabil1
nilai mutlak
|2×-1|=9
2×-1=9 2× - 1 = -9
2× = 9+1 2× = -9 + 1
2× = 10 2x = -8
x= 10/2 × = -8 / 2
x = 5 x = -4