SOLUTION: If f(x) = -5x + 11 and f(n) = 21 , what is the value of n?

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Question 851071: If f(x) = -5x + 11 and f(n) = 21 , what is the value of n?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
That just means, -5n+11=21.
n=2.