document.write( "Question 669244: 4 over 8x+7 \r
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Algebra.Com's Answer #416237 by stanbon(75887)\"\" \"About 
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4 over 8x+7
\n" ); document.write( "Find all numbers for which the rational expression is undefined.
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\n" ); document.write( "4/(8x+7)
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\n" ); document.write( "The denominator cannot be zero.
\n" ); document.write( "8x+7 = 0
\n" ); document.write( "x = -7/8
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\n" ); document.write( "Undefined for x = -7/8
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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