Solve the Equation and Check the Result $\frac { 1 } { 18 } + \frac { 1 } { n } - \frac { 2 } { 27 } = 0$

Essay

Solve the equation and check the result. If the equation has no solution, answer none . $\frac { 1 } { 18 } + \frac { 1 } { n } - \frac { 2 } { 27 } = 0$ n= __________ Find the extraneous solution. $n \neq$ __________