Answer
$n=1$
Work Step by Step
Using the properties of equality, the solution to the given equation, $
6(4-n)=18
$, is
\begin{array}{l}\require{cancel}
24-6n=18
\\\\
-6n=18-24
\\\\
-6n=-6
\\\\
n=\dfrac{-6}{-6}
\\\\
n=1
.\end{array}