Matematika

Pertanyaan

Eliminasi (x) 5x-y=3 x+3y=7

1 Jawaban

  • 5x - y = 3. x3
    x + 3y = 7. x1
    ______________
    15x - 3y = 9
    x + 3y = 7
    __________+
    16x = 16
    x = 1

    x + 3y = 1 + 3y = 7
    3y = 7 - 1 = 6
    y = 2

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