Matematika

Pertanyaan

Tolong d jawab
2X+3y=-5
X-3y=2

1 Jawaban

  • eliminasi
    2x + 3y = -5
    x - 3y = 2
    ------------------ +
    3x = -3
    x = -1
    2(-1) + 3y = -5
    -2 + 3y = -5
    3y = -5 + 2
    3y = -3
    y = -1

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