Matematika

Pertanyaan

Tolong jawab napa ya,, jgn pelit napa, butuh bgt,,,
Tolong jawab napa ya,, jgn pelit napa, butuh bgt,,,

1 Jawaban


  • (x - 4) /3  + (y + 3) /2  = 1/3 .....X6
    2(x  - 4) + 3(y + 3) = 2
    2x - 8 + 3y + 9 = 2
    2x + 3y + 1 = 2
    2x + 3y = 1 

    (2x - 1)/2  - (y + 2) /3 =  1 1/6 ....X6
    3(2x - 1) - 2(y + 2) = 7
    6x - 3 - 2y - 4 = 7
    6x  - 2y - 7 = 7
    6x - 2y = 14

    2x + 3y = 1 ....X3
    6x - 2y = 14

    6x + 9y = 3
    6x - 2y = 14
    .....................(-)
    11 y = -11
    y = - 1

    2x + 3y = 1
    2x + 3(-1) =1
    2x = 4
    x = 2

    HP (x,y)= (2, -1)