document.write( "Question 1192334: Explain why each of the three elementary row operations does not affect the solution set of a linear system. \n" ); document.write( "
Algebra.Com's Answer #824235 by Edwin McCravy(20056)\"\" \"About 
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document.write( "Because\r\n" );
document.write( "1. Swapping equations does not change the fact that a number satisfies them.\r\n" );
document.write( "2. Adding two rows is OK because equals added to equals gives equals.\r\n" );
document.write( "3. Multiplying a row by the same non-zero constant is the equivalent of\r\n" );
document.write( "multiplying both sides of an equation by the same non-zero constant, which\r\n" );
document.write( "gives an equivalent equation.\r\n" );
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document.write( "Edwin
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