A binary operation `**` is defined on the set of real numbers `RR` by `a**b=2a+b-5` for all `a,bin
Channel: Doubtnut
Date: 2020-05-09

A binary operation `**` is defined on the set of real numbers `RR` by `a**b=2a+b-5` for all `a,bin RR`. If `3**(x-2)=20` find x.