SOLUTION: The sum of three times a number and a number equals 216.

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Question 400749: The sum of three times a number and a number equals 216.
Answer by Tatiana_Stebko(1539) About Me  (Show Source):
You can put this solution on YOUR website!
If x is number
then three times number is 3%2Ax
The sum of three times a number and a number is 3x%2Bx=4x
This sum equals 216, so have equation
4x=216
x=216%2F4
x=54