ECUACIONES EXPONENCIALES

11. 5 x+z

DIRECTAS

=8 x 2 = 64

1. 2 x 2.

12. 2 X +1 = 16

4. 2 = 1024 5. 2 x + 1 8 x

4

7.

3 x == 27

22. 125.5 X

3 == 81 9. 3 X+ 1 == 729 10.5 x 125

= 243

3x

== 1

== 2401 24. 5X2-X_ZO == 1 23. 7

CON PRODUCTOS

x

8.

2X - 1

1

+1

25. 8. 2 1 - X

= 8

6.

21. 9. 3 X -

== 64 x z 14. 2 + == 256 15. 2 x - z = 1024

13.

3. 2 X+1 = 256

X +1

20. 7.2 x = 224

= 625

= 64

26. 7x2.7-sx.74 = 1

16. 2.5 x

= 250

27. 25.5 x - 1 = 55

17.3.2 x

== 24

28. 10 x- z.I000

18. 3.5 x :; 1875 19. 3.5 x == 75

29. 7 X+ 1 . 7 x

1

= 7X-l.~

CON SUMAS Y RESTAS 30. 5 X -

1

31. 4 x

+

+ 100 :; 4 X - 1 -

5x

4 x +1

+ 44 ==

O

32. 11 x 11 x+2 = 1320 33. 3 x + 3 X +1 + 3 X - 1 = 351 34.

2X- 1

35. 3 X- 1 36. 37.

+

8. 3 X -

1 -

+ 4 X +1 -

1

=3

320 = O

28. 3 x + 3 == O 44. 9 x - 2. 3 x+z + 1 -80

+ 3x

X

45. 4 x - 3. 2 X +1 480 15

46. 5

2X

47. 5

2X

48. 4 x 49. 9 x -

+ 3 1 12 3 2x + 81 = 2.3 x +2 X

41. 3 2X -

+3 =O

43. 3ZX +2

2 x + 1 :; 7

X

-

42. 2 X +3

+ 3 X+1 = 117 2 x + 2 +1 + 2 x + 2 + 2 + 3 == 2 x + 2 X+ 1 + 2 X+ 2 + 2X+3 =

38. 3 x 39.

+

2x

28. 3 x

40. 3 2 .(X+l)

-

-

30.5 x

-

5x

6.

5.

2x

+8 =O + 125 ==

O

+5= O +4 = O

2. 3 x == 3

SOLUCIONES: 1. x==3

2.

X::;:

6

3. x==7

27. x

== 4

40.

Xl

15. x::;: 8

28.

X

==-1

41.

X

== 2

3

29.

X

-3

42. x

3

6

14. x

16.

X

1

Xz ::::

1

== 3

43.

Xl

=4

31.

X

== 2

44.

X

19. x::;: 2

32.

X

== 1

45.

Xl

== 2; x 2

20. x::;: 5

33.

X

4

46.

Xl

= 2; O;

Xz ::;:

O;

Xz

17.

X

5. x==2 6. X 2- 1

18.

X

7.

4

34.

3

Xz

30. x:::: 3

4. x:::: 10

X

== -2;

8. x=4

21.

Xl

9. x=S

X 1 35. x::;: 3

47.

22.x=-1

48.

Xl

10. X

3 11. x::;: 2

23. x::;: 3

36. x::;: 5

49.

X

24.

Xl ::;:

12. x::;: 3

25.

X

13. x::;: 7

26.

Xl

X

5;

Xz ::;:

-4

4;

37. x:::: -1 38. x::;: 2

==-2 Xz

=1

39.

X

2

-2;

= 2

1

Xz

1 == 1 1

=2

Ecuaciones exponenciales 1