6 -3
------ = -------
11-х 2х-1 -3(2х-4)=7Х-(-х-2)
12x-6=-33+3x
12x-3x=-33+6
9x=-27
x=-3
-6x+12=7x+x-2
-6x-8x=-2-12
-14x=-14
x=1
2) -6x+12=7x-x+2 -6x-7x+x=-12+2 -12x=-1 x=-10/-12