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

7-90.

Solve the following equations. Homework Help ✎

a.

– = b.

5

^{3}= 25^{x}^{(}^{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?