Chapter 3 - Equations and Problem Solving - 3.3 - More on Solving Equations and Problem Solving - Problem Set 3.3 - Page 114: 19

$n=-5$

Using the properties of equality and combining like terms, the value of the variable that satisfies the given equation, $ 6n-3=2n-23 ,$ is \begin{array}{l}\require{cancel} 6n-2n=-23+3 \\\\ 4n=-20 \\\\ n=\dfrac{-20}{4} \\\\ n=-5 .\end{array}