SOLUTION: I m thinking of two numbers which have the same two digits. The sum of there digits is 9 and the difference between the two numbers is 27. Find the unknown numbers.

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: I m thinking of two numbers which have the same two digits. The sum of there digits is 9 and the difference between the two numbers is 27. Find the unknown numbers.      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 1071451: I m thinking of two numbers which have the same two digits. The sum of there digits is 9 and the difference between the two numbers is 27. Find the unknown numbers.
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
t for the tens
u for the ones
system%28t%2Bu=9%2C10t%2Bu-%28t%2B10u%29=27%29

this gives with a small couple of steps, simpler system
system%28t-u=3%2Ct%2Bu=9%29

system%28t=6%2Cand%2Cu=3%29
The numbers are 63 and 36.