Matematika

Pertanyaan

tolong dijawab no 3-10. sama caranya ya. tentang aljabar
tolong dijawab no 3-10. sama caranya ya. tentang aljabar

1 Jawaban

  • 3. 3y = 2y-18
    3y - 2y = -18
    y = -18

    4. 4y-26 = 3y
    4y-3y = 26
    y = 26

    5. 7p-14 = 6p-8
    7p-6p = -8+14
    p = 6

    6. 8x-8 = -24
    8x = -24+8
    8x = -16
    x = -2

    7. 4p+6 = 24-2p
    4p+2p = 24-6
    6p = 18
    p = 3

    8. 5p-8 = 7p+12
    5p-7p = 12+8
    -2p = 20
    p = -10

    9. 3(2x+1) = 5(x-4)
    6x+3 = 5x-20
    6x-5x = -20-3
    x = -23

    10. 3(2x-3) - 2(x+1) = x-3
    6x-9-2x-2 = x-3
    6x-2x-x = -3+9+2
    3x = 8
    x = 8/3

    #Semoga membantu^^. maaf ya kalo ada yang salah