Answer:
n = 4
Step-by-step explanation:
[tex]Cross \;Multiply[/tex]
[tex]3*n=3n[/tex]
[tex]2*6=12[/tex]
[tex]3n=12[/tex]
[tex]\mathrm{Divide\:both\:sides\:by\:}3[/tex]
[tex]\frac{3n}{3}=\frac{12}{3}[/tex]
[tex]\mathrm{Simplify}[/tex]
[tex]n=4[/tex]
[RevyBreeze]