SOLUTION: The sum of two numbers is 27. One number is 2 times as large as the other. What are the numbers?

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Question 375138: The sum of two numbers is 27. One number is 2 times as large as the other. What are the numbers?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = one number, so 27 - x = other number.
x = 2(27 - x), or
x = 54 - 2x,
3x = 54,
x = 18, one number, and
27 - 18 = 9, the other number.