document.write( "Question 242916: Solve the exponenetial equation
\n" ); document.write( "3^(1+2x)=243
\n" ); document.write( "a)2
\n" ); document.write( "b)-2
\n" ); document.write( "c)6
\n" ); document.write( "d)81
\n" ); document.write( "I think the answer is A
\n" ); document.write( "Please let me know. thanks \n" ); document.write( "

Algebra.Com's Answer #177904 by jim_thompson5910(35256) $\"\"$ $\"About$

You can put this solution on YOUR website!
You are correct. Note how $\"243=3%5E5\"$ . So $\"3%5E%281%2B2x%29=243\"$ becomes $\"3%5E%281%2B2x%29=3%5E5\"$ . Equate the exponents to get $\"1%2B2x=5\"$ and solve for 'x' to get $\"2x=4\"$ ---> $\"x=2\"$ which is the answer. \n" ); document.write( "

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