### Home > PC > Chapter 6 > Lesson 6.4.1 > Problem 6-148

6-148.

Divide both sides by 3* ^{x}* and both sides by 5.

Rewrite the exponents with one base.

Simplify.

*k* = 45

Follow the same thinking process as in (a).

6-148.

Divide both sides by 3* ^{x}* and both sides by 5.

Rewrite the exponents with one base.

Simplify.

*k* = 45

Follow the same thinking process as in (a).