(3-х/)2-(7-2х)/3=4

(3(3-х)-2(7-2х)-4*6)/6=0

(9-3х-14+4х-24)/6=0 |:6

х-29=0

х=29

(3+х)/2-(2х+7)/3=2

(3(3+х)-2(2х+7)-2*6)/6=0|:6

9+3х-4х-14-12=0

-х-17=0

-х=17

х=-17

2(2х-1)/3-3(6+х)/4=1 1/2

(4х-2)/3-(18+3х)/4=3/2

(4(4х-2)-3(18+3х)-3*6)/12=0 |:12

16х-8-54-9х-18=0

7х-80=0

7х=-80

х=-80/7=-11 3/7