1、(2x+1)/4+(x+1)/2=2
→ (2x+1)/4+(2x+2)/4=2
→ (4x+3)/4=2
→ 4x+3=8
→ 4x=5
→ x=5/4
2、(y+3)/3-(y+5)=(y+3)/3-(y-2)/2
→ y+5=(y-2)/2
→ 2y+10=y-2
→ y=-12
3、3x+(x-1)/2=3-(2x-1)/3
→ 18x+3x-3=18-4x+2
→ 25x=23
→ x=23/25
4、(2x+3)/2=(2x-1)/3
→ 6x+9=4x-2
→ 2x=-11
→ x=-11/2
5、-(x-3)/5=(3x+4)/15
→ -3x+9=3x+4
→ 6x=5
→ x=5/6
6、(3y-1)/4-1=(5x-7)/6
→ 9y-3-12=10y-14
→ y=-1
7、(6y+4)/3+(y-1)/4=2-(5y-5)/12
→ 24y+12+3y-3=24-5y+5
→ 32y=20
→ y=5/8 1、(2x+1)/4+(x+1)/2=2
→ (2x+1)/4+(2x+2)/4=2
→ (4x+3)/4=2
→ 4x+3=8
→ 4x=5
→ x=5/4
2、(y+3)/3-(y+5)=(y+3)/3-(y-2)/2
→ y+5=(y-2)/2
→ 2y+10=y-2
→ y=-12
3、3x+(x-1)/2=3-(2x-1)/3
→ 18x+3x-3=18-4x+2
→ 25x=23
→ x=23/25
4、(2x+3)/2=(2x-1)/3
→ 6x+9=4x-2
→ 2x=-11
→ x=-11/2
5、-(x-3)/5=(3x+4)/15
→ -3x+9=3x+4
→ 6x=5
→ x=5/6
6、(3y-1)/4-1=(5x-7)/6
→ 9y-3-12=10y-14
→ y=-1
7、(6y+4)/3+(y-1)/4=2-(5y-5)/12
→ 24y+12+3y-3=24-5y+5
→ 32y=20
→ y=5/8