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f(x)=5x-9 what is f(x)=6

Guest May 17, 2017
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 #1
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+3

 

f(x)  =  6  means that we want to sub 6 for f(x) and solve for x.....so we have

 

6  = 5x - 9      add 9 to both sides

 

15  =  5x       divide both sides by 5

 

3  = x

 

 

 

cool cool cool

CPhill  May 17, 2017
 #2
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that is not how you do it

Guest May 17, 2017
 #3
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+1

Um, no, CPhill is correct, unless the problem was mistyped...

AthenaArtemis  May 18, 2017

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