(x+1)/3-(2-3x)/2=x-(1-x)/6
умножим все на 6
6(x+1)/3-6(2-3x)/2=6x-6(1-x)/6
2(x+1)-3(2-3x)=6x-(1-x)
2x+2-6+9x=6x-1+x
(2+9-6-1)x=-2+6-1
4x=3 x=3/4
проверка
x=3/4
(3/4+1)/3-(2-3·3/4)/2=3/4-(1-3/4)/6
7/12-(-1/8) = 3/4-1/24
14/24+3/24 =17/24 18/24=1/24=17/24 верно