SOLUTION: How do I solve the following using the logarithmic equation? log 2x = log 4

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Question 142366This question is from textbook Intermediate Algebra
: How do I solve the following using the logarithmic equation?
log 2x = log 4 This question is from textbook Intermediate Algebra

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
if the logs are equal, the quantities are equal

2x=4 __ x=2


log(2x)=log(4) __ log(2)+log(x)=log(4) __ log(x)=log(4)-log(2) __ log(x)=log(4/2)