Question

Solve exactly.
log(base 2)(23-x)=2

x= ?

Answer 1

y = log (base b)x is equivalent to b^y = x

Answer 2

Think I got this one as the answer I came up with was 19.

Answer 3

I am stuck on x^2=log(x+5) however

Answer 4

and yes I used what you typed Denebal thank you