### Home > CC4 > Chapter 3 > Lesson 3.3.2 > Problem3-131

3-131.

Determine the value of $x$ that will make each equation below true. Homework Help ✎

1. $2^3 = 2^x$

$x = 3$

1. $x^3 = 5^3$

• $x = 5$

1. $3^4 = 3^{2x}$

• $x = 2$

1. $2^7 = 2^{(2x+1)}$

• $x = 3$