Question

log(2)[9-2^(x)]=3-x

Answer 1

\[\log_2(9-2^x)=3-x \]
\[9-2^x=2^{3-x}\]
\[9-2^x=2^3 \cdot 2^{-x}\]

Answer 2

i think you will be able to use the quadratic formula here
try putting everything on one side and then multiply both sides by 2^x

Answer 3

Yea , got it , thanks !