Answer:
m = 3
Step-by-step explanation:
d = [tex]\frac{m}{v}[/tex] ( multiply both sides by v )
dv = m
substitute given values for d and v
m = [tex]\frac{3}{6}[/tex] (m + 3) = [tex]\frac{1}{2}[/tex] (m + 3) ← multiply both sides by 2 to clear the fraction
2m = m + 3 ( subtract m from both sides )
m = 3