document.write( "Question 187156: 3^4x-7 = 1/9 \n" ); document.write( "

Algebra.Com's Answer #140287 by Edwin McCravy(20059) $\"\"$ $\"About$

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$\"3%5E%284x-7%29+=+1%2F9\"$
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document.write( "We notice that  can be written as \r\n" );
document.write( "So we have \r\n" );
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document.write( "Now  can be written as \r\n" );
document.write( "So we have\r\n" );
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document.write( "Now we can equate the exponents because the bases\r\n" );
document.write( "are equal, positive, and .\r\n" );
document.write( "So we have\r\n" );
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document.write( "Edwin

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