document.write( "Question 156402This question is from textbook elementary and intermediate algebra
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\n" ); document.write( "Add or subtract the following:\r
\n" ); document.write( "\n" ); document.write( "\"%28z%2B3%29%2F2%2B7%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"3%2Fz+-+%28z-4%29%2Fz\"\r
\n" ); document.write( "\n" ); document.write( "\"%288y-3%29%2F%28y%2B7%29-%284y-1%29%2F%28y%2B7%29\" \n" ); document.write( "
Algebra.Com's Answer #115211 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
Addition and Subtraction of Rational Expressions
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document.write( "The denominators are the same, 2, so combine the tops over\r\n" );
document.write( "this common denominator, 2:\r\n" );
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document.write( "\"%28%28z%2B3%29%2B7%29%2F2\"\r\n" );
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document.write( "Remove the parentheses:\r\n" );
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document.write( "\"%28z%2B3%2B7%29%2F2\"\r\n" );
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document.write( "Simplify\r\n" );
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document.write( "\"%28z%2B10%29%2F2\"\r\n" );
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document.write( "That's it!:\r\n" );
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document.write( "-------------------\r\n" );
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document.write( "\"3%2Fz+-+%28z-4%29%2Fz\"\r\n" );
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document.write( "The denominators are the same, z, so combine the tops over\r\n" );
document.write( "this common denominator, z:\r\n" );
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document.write( "\"%283-%28z-4%29%29%2Fz\"\r\n" );
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document.write( "Remove the parentheses:\r\n" );
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document.write( "\"%283-z%2B4%29%2Fz\"\r\n" );
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document.write( "Simplify\r\n" );
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document.write( "\"%287-z%29%2Fz\"\r\n" );
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document.write( "That's it!:\r\n" );
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document.write( "-----\r\n" );
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document.write( "\"%288y-3%29%2F%28y%2B7%29-%284y-1%29%2F%28y%2B7%29\"\r\n" );
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document.write( "The denominators are the same, \"y%2B7\", so combine the tops over\r\n" );
document.write( "this common denominator, \"y%2B7\":\r\n" );
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document.write( "\"%28%288y-3%29-%284y-1%29%29%2F%28y%2B7%29\"\r\n" );
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document.write( "Remove the parentheses:\r\n" );
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document.write( "\"%288y-3-4y%2B1%29%2F%28y%2B7%29\"\r\n" );
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document.write( "Simplify\r\n" );
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document.write( "\"%284y-2%29%2F%28y%2B7%29\"\r\n" );
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document.write( "That's it!:            \r\n" );
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document.write( "Edwin
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