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Home > A2C > Chapter 3 > Lesson 3.2.2 > Problem 3-110

3-110.
  1. Solve the following equations for x, if possible. Some you can solve exactly, others approximately. If a solution is not possible, explain how you know. Homework Help ✎

    1. 1x = 5

    2. 2x = 9

    3. 25(x+1) = 125x

    4. 8x = 25 · 44

11 = 1
13 = 1
12 = 1
14 = 1

No solution. Explain why.

Rewrite in exponential form.

81 and 27 can both be rewritten as powers of 3.

Simplify the exponents and solve for x.

Remember to check your answer.

Create and complete a guess and check table to help you solve the problem.

See part (b).

See part (b).