Question

solve for m.
$d = \frac{m}{v}$
$m = d?$

Explanation:

Step1: Isolate m via cross-multiplication

Multiply both sides by $v$ to cancel denominator.
$$d \times v = \frac{m}{v} \times v$$

Step2: Simplify to solve for m

Cancel $v$ on right-hand side.
$$m = d \times v$$

Answer:

$v$