Matematika

Pertanyaan

2x + 3y = 10 dan 6x + y =-2

2 Jawaban

  • 2x + 3y = 10 | .1 |
    6x + y = -2 | .3 |

    2x + 3y = 10
    18x + 3y = -6
    --------------------- -
    -16x = 16
    x = -1

    2x + 3y = 10
    2(-1) + 3y = 10
    -2 + 3y = 10
    3y = 12
    y = 12/3
    y = 4

    semoga membantu
  • Matematika

    Jawaban :
    X = -1
    Y = 4

    Pembahasan :

    2x + 3y = 10 | × 1
    6x + y = -2 | × 3
    ------------------
    2x + 3y = 10
    18x + 3y = -6
    ------------------ -
    -16x = 16
    x = -1

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

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