Matematika

Pertanyaan

2 x - 4y =10 dan x + 2 y =6

1 Jawaban

  • 2x- 4y = 10 | ×1/2
    X + 2y = 6 | ×1

    X- 2y = 5
    X + 2y = 6
    _________-
    -4y =-1
    Y = 1/4

    X+2y = 6
    X + 2×1/4 = 6
    X=6-1/2
    X = 11/2

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