Matematika

Pertanyaan

3(3x+4)=6-(2x+5) tolong bantu

2 Jawaban

  • 3(3x + 4) = 6 - (2x + 5)
    9x + 12 = 6 - 2x - 5
    9x + 2x = 6 - 5 - 12
    11x = -11
    x = -11 ÷ 11
    x = -1
  • Mapel : Matematika
    Kelas : VII SMP
    Bab : PLSV

    Pembahasan :
    3(3x + 4) = 6 - (2x + 5)
    3(3x + 4) + (2x + 5) = 6
    9x + 12 + 2x + 5 = 6
    (9 + 2)x + (12 + 5) = 6
    11x + 17 = 6
    11x = 6 - 17
    11x = -11
    x = -1

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