### Home > A2C > Chapter 3 > Lesson 3.2.1 > Problem3-100

3-100.

Solve each of the following equations for x.

1. $2^{1.4} = 2^{2x}$

Refer to problem 3-79 for help.

1. $8^{x} = 4$

Change to a common base.

1. $3^{5x}= 9^{2}$

See part (b).