SOLUTION: What is the value of n if f(x)=-5x+11 and f(n)=21?

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Question 702470: What is the value of n if f(x)=-5x+11 and f(n)=21?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=-5x+11

f(n)=-5n+11

21=-5n+11

Now solve for n. I'll let you do this.