jika nilai 3x-1 = 1/81 maka nilai x
Matematika
istipr24
Pertanyaan
jika nilai 3x-1 = 1/81 maka nilai x
1 Jawaban
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1. Jawaban Arkan5283
3^(x - 1) = 1/81
3^(x - 1) = 3^(- 4)
x - 1 = - 4
x = - 4 + 1
x = - 3
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