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2^x-3=16

 Aug 30, 2015
 #1
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2^x-3=16

 

2^x=16+3

 

2^x=19

 

Log 2^x=Log 19

 

x=Log 19/Log 2

 

x=1.2787536/.30103

 

x=4.2479275

 Aug 30, 2015

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