Matematika

Pertanyaan

y=3x+12 dg 6y=2x-12

1 Jawaban

  • 3x - y = - 12 --> x 2
    2x - 6y = 12 --> x3

    6x - 2y = -24
    6x - 18y = 36
    __________-
    16y = -60
    y = -15/4


    6x - 2 x 15/4 = -24
    6x - 15/2 =-24

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