`log_2 (x-1) =5`
To solve, convert the equation to exponential form.
Take note that if a logarithmic equation is in the form
`y = log_b (x)`
its equivalent exponential equation is
`x= b^y`
So converting
`log_2 (x-1)=5`
to exponential equation, it becomes
`x-1 = 2^5`
Then, simplify the right side.
`x-1=32`
And isolate the x.
`x= 32 +1`
`x=33`
Therefore, the solution is `x=33` .
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