document.write( "Question 1087112: Solve for x to three significant digits.\r
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Algebra.Com's Answer #701392 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "I can't tell whether you mean this\r\n" );
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document.write( "\"5%5E%286x%29\"\"%22%22=%22%22\"\"5%5E%287x-6%29\" or this \"5%5E%286x%29\"\"%22%22=%22%22\"\"5%5E%287x%29-6\"\r\n" );
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document.write( "I'll assume you mean the first way, because the \r\n" );
document.write( "second interpretation requires iterative methods\r\n" );
document.write( "or a graphing calculator.\r\n" );
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document.write( "\"5%5E%286x%29\"\"%22%22=%22%22\"\"5%5E%287x-6%29\"\r\n" );
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document.write( "then since the bases are positive and equal\r\n" );
document.write( "and not equal to 1, then we can just equate\r\n" );
document.write( "the exponents:\r\n" );
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document.write( "\"6x\"\"%22%22=%22%22\"\"7x-6\"\r\n" );
document.write( "\"-x\"\"%22%22=%22%22\"\"-6\"\r\n" );
document.write( "\"x\"\"%22%22=%22%22\"\"6\"\r\n" );
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document.write( "----------------\r\n" );
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document.write( "But if you mean \r\n" );
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document.write( "\"5%5E%286x%29\"\"%22%22=%22%22\"\"5%5E%287x%29-6\"\r\n" );
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document.write( "Then it cannot be solved with algebra or logarithms.\r\n" );
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document.write( "If you have a TI-83 or 84,\r\n" );
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document.write( "Press Y=\r\n" );
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document.write( "Make the first two lines read like this:\r\n" );
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document.write( "\Y1=5^(6X)\r\n" );
document.write( "\Y2=5^(7X)-6\r\n" );
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document.write( "Press ZOOM\r\n" );
document.write( "Press 6\r\n" );
document.write( "Press 2ND\r\n" );
document.write( "Press TRACE\r\n" );
document.write( "Press 5\r\n" );
document.write( "Press ENTER\r\n" );
document.write( "Press ENTER \r\n" );
document.write( "Press ENTER\r\n" );
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document.write( "Read at bottom of screen\r\n" );
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document.write( "X=.25553448\r\n" );
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document.write( "Round to three significant digits:\r\n" );
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document.write( "X=0.256\r\n" );
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document.write( "Edwin
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