document.write( "Question 657944: how can i find the value of y?
\n" ); document.write( "4^2y + 4^(2y-1) = 4 \n" ); document.write( "

Algebra.Com's Answer #410080 by Edwin McCravy(20086) $\"\"$ $\"About$

You can put this solution on YOUR website!

\r\n" );
document.write( " + = \r\n" );
document.write( "\r\n" );
document.write( "We use the principle that  on the second term:\r\n" );
document.write( "\r\n" );
document.write( " +  = \r\n" );
document.write( "\r\n" );
document.write( "We change the  to \r\n" );
document.write( "\r\n" );
document.write( " + = \r\n" );
document.write( "\r\n" );
document.write( "Multiply through by 4 to remove the fraction:\r\n" );
document.write( "\r\n" );
document.write( " +  = \r\n" );
document.write( "\r\n" );
document.write( " +  = \r\n" );
document.write( "\r\n" );
document.write( " +  = \r\n" );
document.write( "\r\n" );
document.write( "The two terms on the left are like terms and combine as\r\n" );
document.write( "\r\n" );
document.write( " = \r\n" );
document.write( "\r\n" );
document.write( "Then we divide both sides by 5\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( " = \r\n" );
document.write( "\r\n" );
document.write( "Now we take logs of both sides\r\n" );
document.write( "\r\n" );
document.write( " = \r\n" );
document.write( "\r\n" );
document.write( "We use the principle \r\n" );
document.write( "\r\n" );
document.write( " = \r\n" );
document.write( "\r\n" );
document.write( "Divide both sides by \r\n" );
document.write( "\r\n" );
document.write( " =  = 0.4195179763\r\n" );
document.write( "\r\n" );
document.write( "Edwin

\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );