Question 326320
log(b, (5x^5)/(yz^6) ) 



log(b, (5x^5) )- log(b, (yz^6) )



log(b, 5) +log(b, x^5)- (log(b, y) +log(b,z^6) )



log(b, 5) +5log(b, x)- log(b, y) -6log(b,z)


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4^(2x)+3=67



4^(2x)=64


2x=log(4,64)


2x=3


x=3/2