Matematika

Pertanyaan

Penyelesaian persamaan nilai mutlak(5x-4)=6!

2 Jawaban

  • Nilai mutlak |5x-4| = 6

    a)
    |5x-4| = 6
    5x-4 = 6
    5x = 6+4
    5x = 10
    x = 10/5
    x = 2

    b)
    |-5x+4| = 6
    -5x+4 = 6
    -5x = 6-4
    -5x = 2
    x = -2/5

    hp = {-2/5, 2}
  • Nilai mutlak |5x - 4| = 6
    a) 5x - 4 = 6
        5x = 6 + 4 = 10 
          x = 10/5
             = 2
    b) -(5x - 4) = 6
        -5x + 4 = 6
        -5x = 6 - 4 = 2
            x = -2/5

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