document.write( "Question 55009This question is from textbook College Algebra
\n" ); document.write( ": Solve and find exact solutions.\r
\n" ); document.write( "\n" ); document.write( "4^(2x-1)=1/2\r
\n" ); document.write( "\n" ); document.write( "book answer: 1/4
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Algebra.Com's Answer #37232 by venugopalramana(3286)\"\" \"About 
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Solve and find exact solutions.
\n" ); document.write( "4^(2x-1)=1/2 =2^(-1)
\n" ); document.write( "[2^2]^(2x-1)=2^(-1)
\n" ); document.write( "2^{2(2x-1)}=2^(-1)
\n" ); document.write( "2(2x-1)=-1
\n" ); document.write( "4x-2=-1
\n" ); document.write( "4x=1
\n" ); document.write( "x=1/4\r
\n" ); document.write( "\n" ); document.write( "book answer: 1/4
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