Chapter 1 - Section 1.2 - Formulas and Percent - 1.2 Exercises - Page 62: 27

$y=\dfrac{1}{2}x+3$

Using the properties of equality, in terms of $ y ,$ the given equation, $ x-2y=-6 ,$ is equivalent to \begin{array}{l}\require{cancel} -2y=-x-6 \\\\ y=\dfrac{-1}{-2}x-\dfrac{6}{-2} \\\\ y=\dfrac{1}{2}x+3 .\end{array}