(5y+ 1)+( 1-y)=(9y+ 1)+( 1-3y)；

[()-4]= x+2；

20%+( 1-20%)(320-x)= 320×40%

2(x-2)+2=x+ 1

2(x-2)-3(4x- 1)= 9( 1-x)

1 1x+64-2x = 100-9x

15-(8-5x)=7x+(4-3x)

3(x-7)-2[9-4(2-x)]=22

3/2[2/3( 1/4x- 1)-2]-x = 2

1 2x- 10.3x= 15

2 0.52x-( 1-0.52)x=80

3 x/2+3x/2=7

4 3x+7=32-2x

5 3x+5( 138-x)=540

6 3x-7(x- 1)=3-2(x+3)

7 18x+3x-3 = 18-2(2x- 1)

8 3(20-y)=6y-4(y- 1 1)

9 -(x/4- 1)=5

10 3[4(5y- 1)-8]=6

10/3 (x/5+3/7)=9x/2

5/3(x+0.5)+2=3x-6

5x+2(2x/3+2)=2/3(x-6)+2

(2×7)/2-(6×5)/3 = 2×3

(3x+2)/5-(x-6)=x/3

6x-(x/3+2)=2(x/5+5/2)-3

3(x/ 1 1-2)-5=2+3x/3

10/3(2×6)= 3/5

x/2-(x/3-2)=3

2/3(x+3)-3=5x/3

5/3(2x-5/3)=2x/5-8/9

25(x/3-x/2+2/5)-2 = 3/5(x-2/7)+4/9

Do a good job!