Matematika

Pertanyaan

tolong bantu jawab
1. 1 per 2 (x-4)=6
2. 2 per 3 (5x+2)=2(x+2)
3. 2x-1 per 3 + 6x+4 per 2 = 4x+3
4. 2y+4 per 4 - 4y-1 per 3 =1

1 Jawaban

  • 1. 1/2 (x-4)=6
    1/2x - 2=6
    1/2x=8
    x= 16

    2. 2/3 (5x+2)=2(x+2)
    10/3x + 4/3 = 2x+4
    10/3x -2x = 4 - 4/3
    4/3x = 8/3
    x = 8x3/3x4
    x= 24/12
    x= 2

    3. 2x- 1/3 + 6x+4/2 = 4x+3
    8x + 10/6 = 4x+3
    8x - 4x = 3 - 10/6
    4x = 8/6
    x = 8/6x4
    x= 8/24
    x= 1/3

    4. 2y+4/4 - 4y-1/3 =1

    -2y +2/3 =1
    -2y = 1/3
    y = -1/6

Pertanyaan Lainnya