Matematika

Pertanyaan

|2/3a - 9| = 18

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1 Jawaban

  • |2/3a - 9| = 18
    2/3a - 9 = 18
    2/3a = 18 + 9
    2/3a = 27
    a = 27 × 3/2
    a = 40,5

    |2/3a - 9| = 18
    -2/3a + 9 = 18
    -2/3a = 18 - 9
    -2/3a = 9
    a = 9 × -3/2
    a = 13,5

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