(1)3/2[2/3(1/4X+3)+2]-1/2=2/3+2
1/4x+3+3-1/2=8/3
1/4x=8/3-11/2
1/4x=-17/6
x=-34/3
(2)2/7×(3x+7)=2-1.5x
6x/7+2=2-3x/2
12x=-21x
x=0
(3)3×(y-7)-2×[9-4×(2-y)]=22
3y-21-2×[9-8+4y]=22
3y-21-2-8y=22
5y=-45
y=-9
(4)x/5+4-x+5=x/3+3-x/2-2
9-4x/5=1-x/6
270-24x=30-5x
19x=240
x=240/19