(x-1)/y = 36/100 (x-1)/ (y-1) = 37 5/100 Найдите x) Срочно) система

(x-1)/y = 36/100
(x-1)/ (y-1) = 37 5/100
Найдите x) Срочно) система

  • {25x-9y-25=0

    {8x-3y-5=0

    {x=(9y+25)/25

    8((9y+25)/25)-5=0

    {x=10

    y=25

  • frac{x-1}{y} = frac{36}{100}frac{x-1}{y-1} = frac{37.5}{100}(x-1)*100=y*36(x-1)*100=(y-1)*37,536y=37,5*(y-1)100*(x-1)=36y36y=37,5y-37,5100x-100=36yy=25100x=36*25+100y=25x=10