SOLUTION: 7(5^x)=4(8^x)

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Question 585727: 7(5^x)=4(8^x)
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
7(5^x)=4(8^x)
7/4=8^x/5^x
7/4=(8/5)^x
take log of both sides using calculator
log(7/4)=x*log(8/5)
x=log(7/4)/log(8/5)≈1.191