Matematika

Pertanyaan

suatu system persamaan linear dam variabel
2x+3y=5
4x-y=3
selesaikan dengan menggunakan metode eliminasi

2 Jawaban

  • 2x+3y=5
    5y =5
    y =5÷5
    y =1


  • 2x+3y=5.......(x2)
    4x-y=3...........(x1)

    4x + 6y = 10
    4x - y = 3
    -------------------- -
    7y = 7
    y =7/7
    y = 1

    2x+3y=5..........(x1)
    4x-y=3.............(x3)

    2x + 3y = 5
    12x - 3y = 9
    ------------------- +
    14x = 14
    x = 14/14
    x = 1

    HP : {1,1}

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