SOLUTION: When a certain number is multiplied by 7, then increased by 3, the result is 3 times the certain number, find this number

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Question 848341: When a certain number is multiplied by 7, then increased by 3, the result is 3 times the certain number, find this number
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Certain number, n.
7n%2B3=3n
Solve for n.