document.write( "Question 198885: Please solve by the elimination method.\r
\n" ); document.write( "\n" ); document.write( "5r-6s = 21
\n" ); document.write( "6r+5s = 74.\r
\n" ); document.write( "\n" ); document.write( "What is the solution of the system? Type an ordered pair.\r
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Algebra.Com's Answer #149386 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
Please solve by the elimination method.
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document.write( "\"system%285r-6s+=+21%2C+6r%2B5s+=+74%29\"\r\n" );
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document.write( "Eliminate s by multiplying the top equation by 5 and\r\n" );
document.write( "the bottom equation through by 6\r\n" );
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document.write( "\"system%285%285r-6s%29+=+5%2821%29%2C+6%286r%2B5s%29+=+6%2874%29%29\"\r\n" );
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document.write( "\"system%2825r-30s+=+105%2C+36r%2B30s+=+444%29\"\r\n" );
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document.write( "Now add corresponding terms:\r\n" );
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document.write( "\"61r%2B0s=549\"\r\n" );
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document.write( "\"61r=549\"\r\n" );
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document.write( "\"r=549%2F61\"\r\n" );
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document.write( "\"r=9\"\r\n" );
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document.write( "Now switch over to substitution to find s\r\n" );
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document.write( "\"5r-6s+=+21\"\r\n" );
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document.write( "\"5%289%29-6s=21\"\r\n" );
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document.write( "\"45-6s=21\"\r\n" );
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document.write( "\"-6s=21-45\"\r\n" );
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document.write( "\"-6s=-24\"\r\n" );
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document.write( "\"s=%28-24%29%2F%28-6%29\"\r\n" );
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document.write( "\"s=4\"\r\n" );
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document.write( "So (r,s)=(9,4)\r\n" );
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document.write( "Edwin
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