SOLUTION: the sum of the digits of a two-digit number is 15. The second digit is 12 less than twice the girst digit. What is the number?

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: the sum of the digits of a two-digit number is 15. The second digit is 12 less than twice the girst digit. What is the number?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 416118: the sum of the digits of a two-digit number is 15. The second digit is 12 less than twice the girst digit. What is the number?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
let digits be x & y
x+y =15.......1
y=2x-12.......2
substitute the value of y in 1
2x-12+y=15
3x=27
/3
x=9
..
x+y=15
y=6
96 is the number