SOLUTION: What's the value of x if f(x)=9 f(x)=5x�1

SOLUTION: What's the value of x if f(x)=9 f(x)=5x�1

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Question 787252: What's the value of x if f(x)=9
f(x)=5x�1

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
f(x)=5x�1

9 = 5x�1 ... replace f(x) with 9 (since we're told that f(x) = 9)

9+1 = 5x�1+1

10 = 5x

5x = 10

5x/5 = 10/5

x = 2
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