Matematika

Pertanyaan

5x+2y=-15 dan - 3x+6y=45

2 Jawaban

  • 5x + 2y = -15 | dikali -3x
    -3x + 6y = 45 | dikali 5x

    -15x - 6y = 45
    -15x + 30y = 225
    _______________-
    -36y = -180
    y = 5

    5x + 2y = -15
    5x + 2.(5) = -15
    5x = -15 - 10
    5x = -25
    x = -5
  • .....................
    Gambar lampiran jawaban indriRahman29

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