SOLUTION: When a certain number is trebled then decreased by 1, the result is twice as much as 5 more than the number. What is the number?

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Question 800171: When a certain number is trebled then decreased by 1, the result is twice as much as 5 more than the number. What is the number?
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
When a certain number is trebled then decreased by 1, the result is twice as much as 5 more than the number.
3x - 1 = 2(x + 5)
3x - 1 = 2x + 10
Collect like terms;
3x - 2x = 10 + 1
x = 11
The number is 11.
Hope this helps.
:-)