Answer
$b=\dfrac{A}{h}$
Work Step by Step
$\bf{\text{Solution Outline:}}$
To solve the given equation, $
A=bh
$ for $
b,$ use the properties of equality to isolate the variable.
$\bf{\text{Solution Details:}}$
Using the properties of equality to isolate the variable, the equation above is equivalent to
\begin{array}{l}\require{cancel}
A=bh
\\\\
\dfrac{A}{h}=\dfrac{bh}{h}
\\\\
\dfrac{A}{h}=b
\\\\
b=\dfrac{A}{h}
.\end{array}
