Matematika

Pertanyaan

2x-3y=13 dan 4x+y=15 spldv terserah metode eliminasi atau subsitusi dibantu ya

1 Jawaban

  • From second equation, we get :
    y = 15 - 4x
    And subtitution in the first equation:
    2x - 3y = 13
    2x - 3(15-4x) = 13
    2x-45+12x = 13
    14x = 13+45
    14x = 58
    x = 4,14
    y = 15 - (4 x 4,14)
    = -1,57

    So, x = 4,14 and y = -1,57

Pertanyaan Lainnya