document.write( "Question 870926: This question is about the Multiplication Property of Equality.
\n" ); document.write( "x/-9=-3
\n" ); document.write( "-9(x/-9)=-9(-3) How does the -9 outside of the ( ) reduce (x/-9) to x? Shouldn't it be -9(-9)=81?
\n" ); document.write( "x=27
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Algebra.Com's Answer #525609 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
This question is about the Multiplication Property of Equality.
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document.write( "\"x%2F%28-9%29\"\"%22%22=%22%22\"\"-3\"\r\n" );
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document.write( "\"-9%28x%2F%28-9%29%29\"\"%22%22=%22%22\"\"-9%28-3%29\"\r\n" );
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\n" ); document.write( "How does the -9 outside of the ( ) reduce (x/-9) to x?
\n" ); document.write( "Shouldn't it be -9(-9)=81?
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document.write( "No, because the \"-9\" is the same thing as the fraction \"%28-9%29%2F1\"\r\n" );
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document.write( "So it's the same as\r\n" );
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document.write( "\"expr%28%28-9%29%2F1%29%28x%2F%28-9%29%29\"\"%22%22=%22%22\"\"-9%28-3%29\"\r\n" );
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document.write( "And then the -9 in the the numerator cancels with the -9\r\n" );
document.write( "in the denominator, like this:\r\n" );
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document.write( "\"expr%28%28cross%28-9%29%29%2F1%29%28x%2F%28cross%28-9%29%29%29\"\"%22%22=%22%22\"\"-9%28-3%29\"\r\n" );
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document.write( "And then we only have\r\n" );
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document.write( "\"x%2F1\"\"%22%22=%22%22\"\"-9%28-3%29\"\r\n" );
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document.write( "which is just x\r\n" );
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document.write( "\"x\"\"%22%22=%22%22\"\"-9%28-3%29\"\r\n" );
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document.write( "\"x\"\"%22%22=%22%22\"\"27\"\r\n" );
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document.write( "Edwin
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