1)4-0,8х-1,2х-4,8=-2,8
-0,8-2х=-2,8
-2х=-2,8+0,8
-2х=2
х=2÷(-2)
х=-1
2)10/14х-3/14х=-2
7/14х=-2
1/2х=-2
х=-2÷1/2
х=-2×2/1
х=-4
3)1/8×8/9х+1/8×8-1/5×5/6х-1/5×5/3=2
1/9х+1-1/6х-1/3=2
-1/18х+2/3=2
-1/18х=2-2/3
-1/18х=1 1/3
х=4/3÷(-1/18)
х=-4/3×18/1
х=-24
4)х-4х=2 5/14+1 2/7
-3х=2 5/14+1 4/14
-3х=3 9/14
х=51/14÷(-3)
х=-51/14×1/3
х=-17/14=-1 3/14
