SOLUTION: if the sum of a number and six are tripled, the result is 9 less than twice the number find the number?

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Question 375620: if the sum of a number and six are tripled, the result is 9 less than twice the number find the number?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
3(n + 6) = 2n - 9,
3n + 18 = 2n - 9,
n = -9 - 18,
n = -27.