Matematika

Pertanyaan

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1 Jawaban

  • 6x + 2 = 3x + 4
    6x - 3x = 4-2
    3x = 2
    x = 2/3

    8x + 7 = 3x + 32
    8x - 3x = 32-7
    5x = 25
    x = 5

    4(x-2) = 12 (x+5)
    4x - 8 = 12x + 60
    4x - 12x = 68
    -8x = 68
    x = -8,5

    x/9 -2 = 3
    x-2 = 3.9
    x = 27 + 2
    x = 29

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