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solve x

2^4x-7=32

Guest Apr 1, 2017
 #1
avatar+302 
0

if ^ stands for multiplication then

2*(4x-7)= 32

4x-7= 32/2

4x-7=16

4x=16+7=23

x=23/4=5.75

hope this is correct!

 

 

 

coolcoolcool( stole frm CPhill XD)

SARAHann  Apr 1, 2017
 #2
avatar+310 
+3

no. im afraid 2^4x stands for 24x

 

24x-7=32/+7=

 

24x=39

 

4x=Log2(39)

 

x=(Log2(39))/4

 

x=1.3213505547155622.....

Ehrlich  Apr 1, 2017
 #3
avatar+302 
+2

Soz. my Bad

 

 

laughlaughlaugh

SARAHann  Apr 1, 2017

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