1.20-2x=6
2.13x+6×12=85
3.10x-6×(x+1)=6
4. 12x-6x=24
5. 23-3x=8
6. 17×3-5x=26
7. 29×3-8x=31
8. 56×2+2x=128
9. 100-10×(x-5)=60
10. 200-9x=110
11. 5.2x-3.2x=2
12.96×2-7x=178
13 15×9-6x=117
14. 76x-50x=104
15. 78.5-7x=33.5
16. 22.5x+1.5x=144
17. 59x+18x+23x=700
18. 49÷x=63÷9
19. 115+5x=135
20. 19.5-3x=1.5
答案:1,7 ,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,7,4,6
1.20-2x=6
2.13x+6×12=85
3.10x-6×(x+1)=6
4. 12x-6x=24
5. 23-3x=8
6. 17×3-5x=26
7. 29×3-8x=31
8. 56×2+2x=128
9. 100-10×(x-5)=60
10. 200-9x=110
11. 5.2x-3.2x=2
12.96×2-7x=178
13 15×9-6x=117
14. 76x-50x=104
15. 78.5-7x=33.5
16. 22.5x+1.5x=144
17. 59x+18x+23x=700
18. 49÷x=63÷9
19. 115+5x=135
20. 19.5-3x=1.5
答案:1,7 ,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,7,4,6