solve log2(x-1)=4

also check for extraneous solutions. help please
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2 Answers

Log2x-2=log 10000 2x=10002 X=5001 By timothy
by
Log2(x-1) = 4

Log 2(x-1)=  log10000

Cancel the log

2(x-1)=10000

Open bracket

2x -2=10000

2x=10000+2

2x=10002

Divide both sides by 2

X=5001
by

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