So firstly, multiply both sides by n-1: [tex] \frac{6}{9}(n-1)=2 [/tex]
Next, foil 6/9(n - 1): [tex] \frac{6}{9}n-\frac{6}{9}=2 [/tex]
Next, add 6/9 on both sides: [tex] \frac{6}{9}n=2\frac{6}{9} [/tex]
Lastly, multiply both sides by 9/6 and your answer will be [tex] n=4 [/tex]