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Home > PC > Chapter 9 > Lesson 9.2.1 > Problem 9-68

9-68.
  1. Solve for x in the following equations. Homework Help ✎

    1. log3 81 = x

    2. 5x =

    3. 3x = 7

    4. 92x = 27x−2

    5. log2 [log9 (log3 x)] = −1

    6. (x − 3)(ln x − 2) = 0

3x = 81

5x = 5−1

log3x = log7

(32)2x = (33)x−2

2−1 = log9(log3x)

33 = x

x − 3 = 0
Solve for x.

lnx − 2 = 0
Solve for x.