Matematika

Pertanyaan

2x + 6 + 7x - 21 = 5x -5

2 Jawaban

  • Bab Persamaan Linear
    Matematika SMP Kelas VII

    2x + 6 + 7x - 21 = 5x - 5
    9x - 5x = 15 - 5
    4x = 10
    x = 10/4
    x = 5/2

    HP = { 5/2 }
  • 2x + 6 + 7x - 21 = 5x - 5
    2x + 7x - 5x = 21 - 6 - 5
    4x = 10
    X = 10รท4
    X = 2,5

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