document.write( "Question 687819: y=3^(2x+1)
\n" ); document.write( "y=9^(4-2x)\r
\n" ); document.write( "\n" ); document.write( "solve the following system
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Algebra.Com's Answer #425355 by lwsshak3(11628)\"\" \"About 
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y=3^(2x+1)
\n" ); document.write( "y=9^(4-2x)
\n" ); document.write( "solve the following system
\n" ); document.write( "3^(2x+1)=9^(4-2x)
\n" ); document.write( "3^(2x+1)=3^2(4-2x)
\n" ); document.write( "2x+1=8-4x
\n" ); document.write( "6x=7
\n" ); document.write( "x=7/6
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