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Home > CC4 > Chapter 7 > Lesson 7.2.1 > Problem 7-90

7-90.
  1. Solve the following equations. Homework Help ✎

  2. a.

    =

    b.

    53x = 25(x+2)

Read Math Note box for 3.3.2 to learn about fraction busters. What is the common multiple for 4, 6, and 3?

Look at problem 3-132, to review how to solve equations with exponents.

Can 25 be written with a base of 5?