Matematika

Pertanyaan

Tentukan nilai x yang memenuhi untuk persamaan linear berikut :
1. 4x = 16
2. -6x + 36
3. 4x - 24 = 0
4. -3x - 36 = 0
5. 1/5x = 12
6. 3/7x = 3
7. 2/3x = 5
8. 3/5- x = 4
9. 1/3x + 1/5 = 0
10. 2/7x - 3/2 = 0

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1 Jawaban

  • Bab : Persamaan linear Satu Variabel
    Kelas : VII SMP

    1. 4x = 16
    ● x = 16/4
    ● x = 4

    2. -6x + 36 = 0
    ● -6x = -36
    ● x = 6

    3. 4x - 24 = 0
    ● 4x = 24
    ● x = 6

    4. -3x - 36 = 0
    ●-3x = 36
    ● x = -12

    5. 1/5x = 12
    ● x = 12/1/5
    ● x = 12 × 5/1
    ● x = 60

    6. 3/7x = 3
    ● x = 3/3/7
    ● x = 3× 7/3
    ● x = 21/3
    ● x = 7

    7. 2/3x = 5
    ● x = 5/2/3
    ● x = 5 × 3/2
    ● x = 15/2
    ● x = 7,5

    8. 3/5 - x = 4
    ● -x = 4 - 3/5
    ● -x = 20/5 - 3/5
    ● -x = 17/5
    ● x = -17/5
    ● x = -3,4

    9. 1/3x + 1/5 = 0
    ● 1/3x = -1/5
    ● x = -1/5/1/3
    ● x = -1/5 × 3/1
    ● x = -3/5
    ● x = -0,6

    10. 2/7x - 3/2 = 0
    ● 2/7x = 3/2
    ● x = 3/2/2/7
    ● x = 3/2 × 7/2
    ● x = 21/4
    ● x = 5,25


    SORRY IF THERE'S WRONG ANSWER :)

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