Matematika

Pertanyaan

kak tolong dijawab ya pliss
kak tolong dijawab ya pliss

1 Jawaban

  • x+2y = 8 I x1 I x+2y =8
    4x- y = 5 I x2 I 8x-2y = 10
                           ----------------  +
                               9x   = 18
                                x    = [tex] \frac{18}{9} [/tex]
                                x    = 2
    x+2y = 8
    (2) + 2y = 8
            4y  = 8
              y  = [tex] \frac{8}{4} [/tex]
              y  = 2
    jadi Hp = (2,2)
    maaf bila salah