We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
+1
292
1
avatar+1449 

Help Me, please

 

Exercise: Solve the exponential equation, rounding decimal answers to the thousands place.

 

4x-2=2x

 

x=

 Mar 27, 2018
 #1
avatar+103123 
+1

4x-2  = 2x

 

The idea here is to make the bases equal  and then solve for the exponents

 

(22)x-2  = 2x

 

(2)[2(x-2)]  = 2x

 

(2)2x - 4  = 2x

 

The bases are the same....solve for the exponents

 

2x - 4  = x        add 4 to both sides.....subtract x from both sides

 

x  =  4

 

 

cool cool cool

 Mar 27, 2018

19 Online Users

avatar
avatar