Tentukan nilai x 128pangkat5×-1=16pangkat3×+3
Matematika
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Pertanyaan
Tentukan nilai
x 128pangkat5×-1=16pangkat3×+3
x 128pangkat5×-1=16pangkat3×+3
1 Jawaban
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1. Jawaban Anonyme
jawab
(128)⁵ˣ⁻¹ = (16)³ˣ⁺³
(2⁷)⁵ˣ⁻¹ = (2⁴)³ˣ⁺³
7(5x -1) = 4(3x + 3)
35x - 7 = 12x + 12
35x -12x = 12 +7
23 x = 19
x = 19/23