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Mathematics of solving equations in the first volume of the sixth grade
2(x-2)-3(4x- 1)= 9( 1-x)

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

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

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

5.3/2[2/3( 1/4x- 1)-2]-x = 2

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

7.0.4(x-0.2)+ 1.5=0.7x-0.38

8.30x- 10( 10-x)= 100

9.4(x+2)=5(x-2)

10. 120-4(x+5)=25

1 1. 15x+863-65x=54

12. 12.3(x-2)+ 1 = x-(2x- 1)

13. 1 1x+64-2x = 100-9x

14. 14.59+x-25.3 1=0

15.x-48.32+78.5 1=80

16.820- 16x=45.5×8

17.(x-6)×7=2x

18.3x+x= 18

19.0.8+3.2=7.2

20. 12.5-3x=6.5

2 1. 1.2(x-0.64)=0.54

22.x+ 12.5=3.5x

23.8x-22.8= 1.2

24. 1\ 50x+ 10=60

25.2\ 60x-30=20

26.3\ 3^20x+50= 1 10

27.4\ 2x=5x-3

28.5\ 90= 10+x

29.6\ 90+20x=30

30.7 69 1+3x = 700 can only help so much.