Matematika

Pertanyaan

Tolong dijawab donk besok dikumpulkan?please
Tolong dijawab donk besok dikumpulkan?please

2 Jawaban

  • a. 19-6p+15=2+2p
    34-6p=2+p
    32=8p
    p=32/8
    p=4

    b. (3x+2)5=4(4x-3)
    15x+10=16x-12
    -x=-22
    x=22
    c. 4(3m-1)-3(m+3)=12
    12m-4-3m-9=12
    9m-13=12
    9m=25
    m=25/9
  • 19 - 3(2p - 5) = 2(1 + p)
    19 - 6p + 15 = 2 + 2p
    6p + 2p = 19 + 15 - 2
    8p = 32
    p = 4

    ===========================

    (3x + 2) / 4 = (4x - 3) / 5
    5(3x + 2) = 4(4x - 3)
    15x + 10 = 16x - 12
    16x - 15x = 10 + 12
    x = 22

    ==============================

    (3m - 1)/3  -  (m + 3)/4  =  1
    4(3m - 1)/12  -  3(m + 3)/12  = 1
    4(3m - 1) - 3(m + 3) = 12
    12m - 4 - 3m - 9 = 12
    9m = 12 + 13
    9m = 25
    m = 25/9