Matematika

Pertanyaan

tolong ya di jawab . tolong pake caranya ya...
tolong ya di jawab . tolong pake caranya ya...

1 Jawaban

  • a. 24m = 12 => m = 12/24 => m = 1/2
    b. 3z+11 = -28 => 3z = -28-11 => 3z = -39 => z = -39/3 => z = -13
    c. 25-4y = 6y+15 => -4y-6y = 15-25 => -10y = -10 => y = 1
    d. 1/3 (x-2) = 2/3x - 13/3
    ________________ ×3
    (x-2) = 2x-13
    x-2 = 2x-13
    -2+13 = 2x-x
    11 = x

    e. -

    semoga membantu yaa:)