SOLUTION: One number is 12 more that another . The sum of the smaller number and twice the larger number is 39. Find the larger number.

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: One number is 12 more that another . The sum of the smaller number and twice the larger number is 39. Find the larger number.      Log On


   

Question 117414: One number is 12 more that another . The sum of the smaller number and twice the larger number is 39. Find the larger number.
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
Let the numbers be x and x+12
x+2(x+12)=39
x+2x+24=39
3x+24-24=39-24
3x=15
3x/3=15/3
x=5
x+12=17 Ans.
.
Ed