SOLUTION: 2 log x - log 4 = 2

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Question 491994: 2 log x - log 4 = 2
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
2 log x - log 4 = 2
log x^2 - log 4 = 2
log x^2/4 = 2
x^2/4 = 10^2
x^2/4 = 100
x^2 = 400
x = sqrt(400)
x = 20