Matematika

Pertanyaan

2x - 3y = -10 (1)
x + 2y = 2 (2)
nilai 4x-2y adalah...

2 Jawaban

  • maaf yang itu diganti jadi -7y= -14
    y=-14/-7
    y= 2
    4u-2y =
    4(-2)-2(2)=
    -8-4=-12
    Gambar lampiran jawaban jihansadiqah03
  • 2x - 3y = -10 | x1 | 2x - 3y = -10
    x + 2y = 2. | x2 | 2x + 4y = 4
    ________ _
    -7y = -14
    y = 2
    x + 2(2) = 2
    x = 2 - 4 = -2

    4(-2) - 2(2) = -8 - 4 = -12

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