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If 3x−y=12, what is the value of \(8^x\over2^y\)

 Oct 16, 2019
 #1
avatar+104911 
+2

If 3x  -  y  =   12   then   y  =  3x - 12

 

So

 

8x                  (23)x               23x             23x * 212

___   =        _______  =     _______  = _________  =     212   =   4096

2y                 23x - 12              23x/ 212       23x

 

 

cool cool cool

 Oct 16, 2019
 #2
avatar+177 
0

Thanks!

Oofrence  Oct 16, 2019

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