2) x/4 = (x-1)/6 4) (3+x)/8 = x/5 6) (2x-3)/5 = (x-2)/3
1/4x = 1/6x - 1/6 3/8 + 1/8x = 1/5x 2/5x - 3/5 = 1/3x -2/3
1/4x-1/6x= (-1/6) 1/5x-1/8x = 3/8 2/5x - 1/3x = -2/3 + 3/5
1/12x=(-1/6) 3/40x = 3/8 1/15x = -1/15
x= -2 x = 5 x = -1
ПРОВЕРКА!!!! (лол)
2) -2/4 = (-2-1)/6
-1/2 = -3/6
-1/2 = -1/2 , то есть ВЕРНО!
4) (3+5)/8 = 5/5
5/5 = 5/5 , то есть ВЕРНО!
6) (2x = -2)
(-2 - 3)/5 = (-1-2)/3
-5/5 = -3/3
-1 = -1 , то есть ВЕРНО!
Всё , надеюсь помог)