SOLUTION: If you double a number and then add 16, you get 2/3 of the original number. i tried the formula 2x+16=X but this wrong. i need the formula

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: If you double a number and then add 16, you get 2/3 of the original number. i tried the formula 2x+16=X but this wrong. i need the formula      Log On