Question 1146989
Log(12)=log(x)+log(7x)
Log(12)=log(x*7x) = log(7x^2)
7x^2 = 12
x^2 = 12/7
x = sqrt(12)/sqrt(7) = sqrt(7*12)/7
x = 2sqrt(21)/7
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The negative square root is not allowed.