Matematika

Pertanyaan

-x + 5y =20
X - 2y = 5

1 Jawaban

  • -x + 5y = 20
    x - 2y = 5
    ---------------- +
    3y = 25
    y = 25/3
    x = 2(25/3) + 5
    x = 50/3 + 5
    x = 50/3 + 15/3 = 65/3

Pertanyaan Lainnya