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log1/2(3x+1)1/3=-2
What is X?

 Jan 14, 2019
 #1
avatar+111437 
+2

log1/2 (3x + 1)1/3 =  - 2

 

In exponential form we have

 

(1/2)-2  =  (3x + 1)1/3

 

22   = (3x + 1)1/3

 

4  =   (3x + 1)1/3     cube both sides

 

64 =   3x + 1        subtract 1 from both sides

 

63 =  3x        divide both sides by 3

 

21 = x

 

 

cool cool cool

 Jan 14, 2019

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