Matematika

Pertanyaan

Tentukan himpunan penyelesaian setiap persamaan
1. 4(x-3) + 7 = 3(x-3) +6
2.8x -2 +6x =12-2x +4

2 Jawaban

  • 1. 4x-12 + 7 = 3x-9 + 6
    4x-5 = 3x-3
    4x-3x = -3+5
    x = 2

    2. 14x-2 = 16-2x
    14x + 2x = 16 + 2
    16x = 18
    x = 18/16 = 1 2/16

    semoga membantu
    maaf kalo salah
  • 1} 4(x-3)+7=3(x-3)+6
    <=> 4x-12+7=3x-9+6
    <=> 4x-5=3x-3
    <=> 4x-3x-5+3=0
    <=>x-2

    2} 8x-2+6x=12-2x+4
    <=>8x+6x-2=12+4-2x
    <=>14x-2=16-2x
    <=>14x+2x-2-16=0
    <=>16x-18

    "Maaf Ya.... Kalau Salah...."

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