Matematika

Pertanyaan

4x+3y=6 dan 2x-y=3 mohon pertolongan nya mencari persamaan secara subsitusi

2 Jawaban

  • Eliminasi:
    4x+3y=6 |×1|
    2x-y=3 |×2|
    =4x+3y=6
    4x-6y=6
    3y-(-6y)=6-6
    9y=0
    y=0

    Substitusi:4x+3y=6
    =4x+3(0)=0
    =4x=0
    =x=0/4,x=0
  • 4X + 3Y = 6 | .1 |
    2X - Y = 3 | .3 |
    Eliminasi
    4X + 3Y =6
    6X - 3Y = 9
    __________ +
    10X = 15
    X = 15/10 = 3/2

    Subtitusi
    2(3/2) - Y = 3
    3 - Y = 3
    Y = 3 - 3 = 0

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