Ecuaciones 1er Grado
| __ | 1. | -5x - 9 = 2(5x + 3) | | A. | x = 2 | | __ | 2. | 2(5x - 4) = 3(3x + 5) | | B. | x = 0 | | __ | 3. | 2(6)(10) = 2x - (15 - 7x) | | C. | x = 2 | | __ | 4. | 2x + 3(x -1) = 6(x - 3) + 13 | | D. | x = -1 | | __ | 5. | 3x + 15 = - 3(- 5) | | E. | x = 4 | | __ | 6. | 3x + 18 = 2(x + 18) | | F. | x = 23 | | __ | 7. | 5(x+9) - 3(x -7) =11(x+2) -10 | | G. | x = 18 | | __ | 8. | 5x+4x - 9+1 = -x - 2x + 9 +7 | | H. | x = 15 | | __ | 9. | 9x - 5 = 6x + 7 | | I. | x = 6 | | __ | 10. | x - 4(x - 8) = 3(x - 5) + 5 | | J. | x = 7 |
| __ | 11. | (x + 2)(x - 5) = x2 - 4x - 12 | | A. | x = 5 | | __ | 12. | (x + 3)2 = (x - 1)2 | | B. | x = 3 | | __ | 13. | (x + 4)2 = (x + 2)2 | | C. | x = 2 | | __ | 14. | 2x - 2 = 2 + x | | D. | x = 4 | | __ | 15. | 3x - 3 = 3 + x | | E. | x = 7 | | __ | 16. | x - 1 = 4 | | F. | x = - 2 | | __ | 17. | x - 2 = 0 | | G. | x = 1 | | __ | 18. | x - 2 = 5 | | H. | x = 8 | | __ | 19. | x2 + 3x - 3 = x2 + 2x + 5 | | I. | x = - 1 | | __ | 20. | x2 - 2x + 1 = x2 - 3x + 2 | | J. | x = - 3 |
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