Ecuaciones 1er Grado
__1. -5x - 9 = 2(5x + 3)A. x = 4
__2. 2(5x - 4) = 3(3x + 5)B. x = -1
__3. 2(6)(10) = 2x - (15 - 7x)C. x = 0
__4. 2x + 3(x -1) = 6(x - 3) + 13D. x = 2
__5. 3x + 15 = - 3(- 5)E. x = 23
__6. 3x + 18 = 2(x + 18)F. x = 18
__7. 5(x+9) - 3(x -7) =11(x+2) -10G. x = 15
__8. 5x+4x - 9+1 = -x - 2x + 9 +7H. x = 2
__9. 9x - 5 = 6x + 7I. x = 7
__10. x - 4(x - 8) = 3(x - 5) + 5J. x = 6
__11. (x + 2)(x - 5) = x2 - 4x - 12A. x = 3
__12. (x + 3)2 = (x - 1)2B. x = 5
__13. (x + 4)2 = (x + 2)2C. x = 2
__14. 2x - 2 = 2 + xD. x = 4
__15. 3x - 3 = 3 + xE. x = 7
__16. x - 1 = 4F. x = - 2
__17. x - 2 = 0G. x = 1
__18. x - 2 = 5H. x = - 1
__19. x2 + 3x - 3 = x2 + 2x + 5I. x = 8
__20. x2 - 2x + 1 = x2 - 3x + 2J. x = - 3
Altres proves d'interés :

Prova creada amb That Quiz — el lloc de proves matemàtiques per a alumnes de tots nivells.