document.write( "Question 420931: 4^x*4^-7x=64 \n" ); document.write( "

Algebra.Com's Answer #294021 by Gogonati(855) $\"\"$ $\"About$

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Solve:\r
\n" ); document.write( "\n" ); document.write( " $\"+4%5Ex%2A4%5E%28-7x%29=4%5E3\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+4%5E%28x-7x%29=4%5E3\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+x-7x=3\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+-6x=3\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=-1%2F2\"$ \r
\n" ); document.write( "\n" ); document.write( " {-1/2}. \n" ); document.write( "

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