Matematika

Pertanyaan

1. | 4/3x - 1 | = 2/7
2. | 4x + 1 | = 3/8

1 Jawaban

  • 1•
    |4/3 x - 1 | = 2/7
    • 4/3 x - 1 = 2/7
    4/3 x = 1 + 2/7
    4/3 x = 9/7
    x = 27/28

    • 4/3 x - 1 = -2/7
    4/3 x = 5/7
    x = 15/28

    2•
    |4x + 1 | = 3/8
    • 4x + 1 = 3/8
    4x = -5/8
    x = -5/32

    • 4x + 1 = -3/8
    4x = -11/8
    x = -11/32

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