Matematika

Pertanyaan

Tolong saya gk ngerti linear satu variabel

1.5(x-1) = 4x
2. 3(2m-3) = 5 (m-2)
3. 5y + 1/4 =4y -1/2
4. (4n+2)/3 - (2n+1)/2 = (6n+3)/4

Tolong bantuannya

2 Jawaban

  • 1. 5x-5 = 4x
    5x-4x = 5
    x = 5

    2. 6m-9 = 5m-10
    6m-5m = -10+9
    m = -1

    3&4 gangerti, maaf kalo ada yg salah:/
  • 1. 5(x-1)=4x
    5x-5=4x
    5x-4x=5
    x=5

    2. 3(2m-3)=5(m-2)
    6m-9=5m-10
    6m-5m=-10+9
    m=-1

    3. 5y+1/4=4y-1/2
    8(5y)+8(1/4)=8(4Y)-8(1/2)
    40y+2=32y-4
    40y-32y=-4-2
    8y=-6
    8y=-6/8
    8y=hitung sendiri

    no 4 gak bisa. Maaf kalau salah ya.

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