Matematika

Pertanyaan

tentukan himpunan penyelesaian persamaan nilai mutlak [2/3-a-9]=18

1 Jawaban

  • Bab Nilai Mutlak
    Matematika SMA Kelas X

    |2/3 - a - 9| = 18
    |-8 1/3 - a| = 18
    |-25/3 - a| = 18

    -25/3 - a = 18
    a = -25/3 - 18
    a = -26 1/3

    -25/3 - a = -18
    a = -25/3 + 54/3
    a = 29/3
    a = 9 2/3

    HP = {-26 1/3, 9 2/3}

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