Chapter 2 - Equations, Inequalities, and Problem Solving - Review Exercises: Chapter 2 - Page 149: 18

$x=4$

Using the properties of equality, the solution to the given equation, $ \dfrac{1}{4}x-\dfrac{5}{8}=\dfrac{3}{8} $, is \begin{array}{l}\require{cancel} \dfrac{1}{4}x=\dfrac{3}{8}+\dfrac{5}{8} \\\\ \dfrac{1}{4}x=\dfrac{3+5}{8} \\\\ \dfrac{1}{4}x=\dfrac{8}{8} \\\\ \dfrac{1}{4}x=1 \\\\ x=1(4) \\\\ x=4 .\end{array}