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81 = 6^x + 2x - 8x What does x equal?

 May 25, 2015

Best Answer 

 #1
avatar+118608 
+10

 

$$\\81=6^x+2x-8x\\
81=6^x-6x\\$$

 

https://www.desmos.com/calculator/xcnbodzoi0

 

From my graph the approximate answers are x=-13.5  and x=2.55

 May 25, 2015
 #1
avatar+118608 
+10
Best Answer

 

$$\\81=6^x+2x-8x\\
81=6^x-6x\\$$

 

https://www.desmos.com/calculator/xcnbodzoi0

 

From my graph the approximate answers are x=-13.5  and x=2.55

Melody May 25, 2015
 #2
avatar+128596 
0

That's a weird graph, Melody  !!!!!......good answer.....

 

 

 May 25, 2015
 #3
avatar+118608 
0

Thanks Chris 

 May 25, 2015

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