Question 242916
You are correct. Note how {{{243=3^5}}}. So {{{3^(1+2x)=243}}} becomes {{{3^(1+2x)=3^5}}}. Equate the exponents to get {{{1+2x=5}}} and solve for 'x' to get {{{2x=4}}} ---> {{{x=2}}} which is the answer.