Answer
$x=-64$
Work Step by Step
Using the properties of equality, the solution to the given equation, $
\dfrac{3}{8}x=-24
$, is
\begin{array}{l}\require{cancel}
3x=8(-24)
\\\\
x=\dfrac{8(-24)}{3}
\\\\
x=\dfrac{8(\cancel{3}\cdot(-8))}{\cancel{3}}
\\\\
x=-64
.\end{array}