Matematika

Pertanyaan

1.3x-1=x+5
2.y+6=5y+2
3.2x=10-3x

tolong jawab dan pakai cara ya

2 Jawaban

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    Gambar lampiran jawaban Mentaririvan
  • 1. 3x-1=x-5
    = 3x-x=5+1
    = 2x=6
    = x =6/2
    = x = 3

    2. y+6 = 5y+2
    =y-5y= 2-6
    =-4y = -4
    = y = -4/-4
    = y = 1


    3. 2x = 10-3x
    = 2x + 3x = 10
    = 5x = 10
    = x = 10/5
    = x = 2

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