SOLUTION: One number is fifteen more than twice another. If their sum is decreased by nine, the result is eighteen. Find the numbers. (Enter solutions from smallest to largest.)

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: One number is fifteen more than twice another. If their sum is decreased by nine, the result is eighteen. Find the numbers. (Enter solutions from smallest to largest.)      Log On


   



Question 415195: One number is fifteen more than twice another. If their sum is decreased by nine, the result is eighteen. Find the numbers. (Enter solutions from smallest to largest.)
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
One number is fifteen more than twice another
Let x and (2x+15) represent the two numbers
Question states***
x + (2x+15)-9 = 18
Solving for x
3x = 12
x = 4
(2x+15)= 23 The two numbers are 4 and 23.
CHECKING our Answer***
(4+23) - 9 = 27 - 9 = 18