Matematika

Pertanyaan

ten hp menggunakan metode subtitusi
2. y=4x-8
5x-3y=10

2 Jawaban

  • y=4x-8
    5x-3y=10

    5x-3(4x-8) = 10
    5x-12x+24 = 10
    -7x = 10-24
    -7x = -14
    x = 14/7 =2
    y= 4(2)-8 = 0
    hp={(2,0)}
  • y=4x-8

    subtitusikan y
    5x-3y=10
    5x-3(4x-8)=10
    5x-12x+24=10
    -7x=10-24
    -7x=-14
    x=-14/-7
    x=2

    subtitusikan nilai x=2
    y=4x-8
    y=4(2)-8
    y=8-8
    y=0

    HP{2,0}

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