SOLUTION: the sum of three times a number x and 7 is 40. what is the number?

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Question 979589: the sum of three times a number x and 7 is 40. what is the number?
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
3x + 7 = 40
3x = 40 - 7
3x = 33
x = 11
The number is 11.
Hope this helps:-)