SOLUTION: a number is doubled then increased by nine and the result is 89

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: a number is doubled then increased by nine and the result is 89       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1036486: a number is doubled then increased by nine and the result is 89
Answer by ikleyn(52782) About Me  (Show Source):
You can put this solution on YOUR website!
.
a number is doubled then increased by nine and the result is 89
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

2x + 9 = 89.

Solve this equation and find x.

Answer. x = 40.