Matematika

Pertanyaan

Tentukanlah himpunan penyelesaian dari persamaan linear berikut.a.24m=12 b.3z+11=-28 c.25-4y=6y+15 d.1/3(x-2)=2/3x-13/3 e.2(1/2x+3/2)-7/2=3/2(x+1)-(1/2x+2)

1 Jawaban

  • a. 24m = 12 => m = 12/24 => m = 1/2

    b. 3z+11 = -28 => 3z = -39 => z = -13

    c. 25 - 4y = 6y + 15 => 10 = 10y => y = 1

    d. 1/3(x-2) = 2/3x-13/3 => 1/3x-2/3 = 2/3x-13/3 => 1/3x-2/3x = -13/3+2/3 => -1/3x = -11/3 => x = -11/3 : -1/3 => x = -11/3×-3/1 = 33/3 = 11

    e. 2(1/2x+3/2)-7/2=3/2(x+1)-(1/2x+2)
    2/2x+6/2-7/2 = 3/2x+3/2-1/2x-2
    2/2x-3/2x+1/2x = 3/2-4/2+7/2-6/2
    0 = 0

    semoga membantu yaa:)

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