Solve each exponential equation in Exercises 1-22 by expressing each side as a power of the same base and then equating exponents. 1. 2 x
=64 2. 3 x
=81 3. 5 x
=125 4. 5 x
=625 5. 2 2x−1
=32 6. 3 2x+1
=27 7. 4 2x−1
=64 8. 5 3x−1
=125 9. 32 x
=8 10. 4 x
=32 11. 9 x
=27 12. 125 x
=625 13. 3 1−x
= 27
1

14. 5 2−x
= 125
1

5. 6 4
x−3

= 6

16. 7 6
x−2

= 7

17. 4 x
= 2

1

18. 9 x
= 3
3

1

19. 8 x+3
=16 x−1
20. 8 1−x
=4 x+2
21. e x+1
= e
1

22. e x+4
= e 2x
1