### Home > AC > Chapter 16 > Lesson 16.9.1.4 > Problem 9-57

9-57.

Find the exact value of

*x*without using a calculator. Leave your answers in log or exponent form. Homework Help ✎3

*e*− 5 = 13^{x}ln(

*x*+ 1) = 3.2

1. Add 5 to both sides.

2. Divide by 3 on both sides.

3. Take the natural log of both sides.

4. Solve for *x.*

*e*^{3.2} = *x* + 1