### Home > A2C > Chapter 3 > Lesson 3.1.4 > Problem3-57

3-57.

64 = 26

2(x + 3) = 26

x + 3 = 6

x = 3

Do 8 and 4 have a common base?

$\text{Notice: }\frac{1}{27}=3^{-3}$