Matematika

Pertanyaan

Tentukan nilai
x 128pangkat5×-1=16pangkat3×+3

1 Jawaban

  • 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

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