解方程：(1)5x+3/2=1+7x/3 (2)1-(4-3x/4)=5x+3/6-x (3)2x-1/0.7=x/0.

(1)(5x+3)/2=(1+7x)/3
3(5x+3)=2(1+7x)
15x+9=2+14x
x=-7
(2)1-(4-3x)/4=(5x+3)/6-x
12-3(4-3x)=2(5x+3)-12x
12-12+9x=10x+6-12x
11x=6
x=6/11
(3)(2x-1)/0.7=x/0.3-1/7
30(2x-1)=70x-3
60x-30-70x=-3
-10x=27
x=-2.7