Saleem 's age is triple to that of Ali.If Ali is 18 years younger than Saleem .What is saleems age?

Saleem 's age is triple to that of Ali.If Ali is 18 years younger than Saleem .What is saleems age?

Explanation

let Ali age=x 

Than saleem =3x

3x-x=18

2x=18

x=18/2=9

3*9=27