Matematika

Pertanyaan

himpunan penyelesaian dari SPLDV 4x-2y=16 x-3y=9

2 Jawaban

  • 4x-16x=9y+2y
    -12x=11y
  • 4x - 2y = 16 .......... ÷2
    x - 3y = 9 ........... ×2

    2x - y = 8
    2x - 6y = 18
    ------------------ -
    5y = -10
    y = -2

    2x - y = 8
    2x - (-2) = 8
    2x + 2 = 8
    2x = 8 - 2
    2x = 6
    x =6/2
    x = 3

    Hp = {3 , - 2}

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