\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
2х-3+1 / 4х-8-1 =-х
2х-2 / 4х-9 =-х
-4х^2+9х=2х-2
-4х^2+9x-2x+2=0
-4x^2+7x+2=0
4x^2-7x-2=0
D=(-7)^2-4*4*(-2)=81
x1=-0.25 x2=2
1т=1000кг,следовательно в 1000 раз...