SOLUTION: if 20 is added to one-third of a number, the result is the double of the number. What is the number?

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Question 394493: if 20 is added to one-third of a number, the result is the double of the number. What is the number?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
x%2F3+%2B+20+=+2x+ ==> 20+=+5x%2F3 ==> 60 = 5x ==> x = 12.