What is the algebraic expression for two ninths of that number?
What is the algebraic expression for two ninths of that number, increased by 18?
What is the algebraic expression for six times that (same) number?
In the statement of the problem, the word "is" is the equals sign for the algebraic equation.
So write the equation that says two ninths of the number, increased by 18, is equal to 6 times the number. Then solve the equation.
If you need further help, re-post the problem showing any work you have been able to do on it.
This how we translate words to algebra:
two ninth of some number increased by eighteen is six times the number.
two ninth [] of [] some number [] increased by [] eighteen [] is [] six [] times [] the number [].
You finish.
Edwin
