#### Answer

$x=16$

#### Work Step by Step

Using the properties of equality, the solution to the given equation, $
-\dfrac{3}{4}x=-12
,$ is
\begin{array}{l}\require{cancel}
-4\left( -\dfrac{3}{4}x \right)=(-12)(-4)
\\\\
3x=48
\\\\
x=\dfrac{48}{3}
\\\\
x=16
.\end{array}