SOLUTION: resolve 2log4(5)- log4(x-4) = 2

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Question 1069473: resolve 2log4(5)- log4(x-4) = 2
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
resolve 2log4(5)- log4(x-4) = 2
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If you mean solve for x:
2log4(5)- log4(x-4) = 2
log%284%2C25%29-+log%284%2C%28x-4%29%29+=+2+=+log%284%2C4%5E2%29+=+log%284%2C16%29
25/(x-4) = 16
25 = 16x - 64
x = 89/16