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Solve for $x$: $$\dfrac{66-2^x}{2^x+3}=\dfrac{4-2^x}{2^{x+1}+6}$$

 Dec 12, 2014

Best Answer 

 #1
avatar+130511 
+5

(66 - 2^x) / ( 2^x + 3)  = (4 - 2^x) / (2^(x+1) + 6)

The easiest way to solve this is to graph both sides and see if there are any points of intersection

Here are the graphs........https://www.desmos.com/calculator/neta1kkdcv

In fact, there is an integer solution for "x"......!!!

 

 Dec 12, 2014
 #1
avatar+130511 
+5
Best Answer

(66 - 2^x) / ( 2^x + 3)  = (4 - 2^x) / (2^(x+1) + 6)

The easiest way to solve this is to graph both sides and see if there are any points of intersection

Here are the graphs........https://www.desmos.com/calculator/neta1kkdcv

In fact, there is an integer solution for "x"......!!!

 

CPhill Dec 12, 2014

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