Matematika

Pertanyaan

1. 2^x+2 = 8
2. 3^3x-3 = 27

1 Jawaban

  • Materi : Persamaan eksponen
    Kelas : X SMA

    1). 2^ x + 2 = 8
    => 2^x + 2= 2^3
    => x + 2 = 3
    => x = 3 - 2
    => x = 1


    2). 3^3x-3 = 27
    => 3^3x-3 = 3^3
    => 3x - 3 = 3
    => 3x = 3 + 3
    => 3x = 6
    => x = 2


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