SOLUTION: When 3 times a certain number n is added to 6, the sum is 20 more than the original number. What is n

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Question 352946: When 3 times a certain number n is added to 6, the sum is 20 more than the original number. What is n
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Let n = unknown number.
Then "3 times a certain number n is added to 6" is 6%2B+3%2An.
"20 more than the original number" is n+%2B+20.
Hence, 6%2B3%2An+=+n%2B20.
3%2An+-+n+=+20+-+6
2%2An+=+14
n+=+14%2F2
n+=+7.