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Hello

How would I isolate the variable x in the following statement?

y=a(r)x

The answer would look like x=something

Guest May 5, 2017
 #1
avatar+86889 
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y = a(r)^x      divide both sides by a

 

(y / a)  =  r^x     take the log of both sides

 

log ( y / a)  =  log r^x       and by a log property we can write

 

log ( y / a)  =  x * log r      divide both sides by log r

 

log ( y / a)  / log r    =   x

 

 

cool cool cool

CPhill  May 5, 2017

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