Matematika

Pertanyaan

Solve 5[8 - (9x - 7)] + 6x = 0

2 Jawaban

  • Bab Aljabar
    Matematika SMP Kelas VII

    5 (8 - (9x - 7)) + 6x = 0
    5 (8 - 9x + 7) + 6x = 0
    5 (15 - 9x) + 6x = 0
    75 - 45x + 6x = 0
    75 = 39x
    x = 75/39
    x = 1 36/39
    x = 1 12/13
  • 5(8-(9x-7)) + 6x = 0
    5(8-9x+7)+6x = 0
    5(15-9x) + 6x = 0
    75 - 45x + 6x = 0
    75 - 39x = 0
    -39x = -75
    x = -75/-39
    x = 75/39

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