2n_ESO_ERE_equacions_2

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2n_ESO_ERE_equacions_2

1. 3 x + 47 = 71

2. 27 + 9 x = 51 + 6 x

3. 7 x + 16 = 64 + 3 x

4. 3 x + 2 = 4 x - 19

5. 3 x + 4 = 8 x - 56

6. 12 x - 2 = 47 + 5 x

7. 12 x - 29 = 6 + 5 x

8. 6 x - 48 + 7 + 6 x = 79

9. 12 + 2 x + 2 x + 11 = 59

10. 29 x - 10 - ( 17 x - 6) = 32

11. 3 x + 34 - ( 2 x + 1) = 53

12. 4 x + 31 - ( 7 x - 69) = 58

13. 10 + 2x = -7x +19

14. 13x - 21 =12x - 24

15. 2(3x +1) = 7x - 3

16. 120 = 2x - (15 - 7x)

17. 9(13- x) - 4x = 5(21- 2x) + 9x

18. 5x = 8(5x - 3) - 4

19. 3(3x +1) - (x -1) = 6(x +10)

20. 3(x - 7) - 6(3- 2x) =19 - 4(2x + 3)

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