document.write( "Question 175531: How do I solve the system of equations using the Gauss-Jordan elimination?\r
\n" ); document.write( "\n" ); document.write( " 3x+5y=7
\n" ); document.write( " 6x-y=-8 \n" ); document.write( "
Algebra.Com's Answer #130631 by Mathtut(3670)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "start with augmented matrix\r\n" );
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document.write( "\"%28matrix%282%2C3%2C3%2C5%2C7%2C6%2C-1%2C-8%29%29\"(R1)/3\"%28matrix%282%2C3%2C1%2C5%2F3%2C7%2F3%2C6%2C-1%2C-8%29%29\"-6R1+R2\"%28matrix%282%2C3%2C1%2C5%2F3%2C7%2F3%2C0%2C-11%2C-22%29%29\"R2/-11\"%28matrix%282%2C3%2C1%2C5%2F3%2C7%2F3%2C0%2C1%2C2%29%29\"-(5/3)R2+R1\"highlight%28%28matrix%282%2C3%2C1%2C0%2C-1%2C0%2C1%2C2%29%29%29\"\r\n" );
document.write( ":\r\n" );
document.write( "answer is \"system%28x=-1%2Cy=2%29\"\r\n" );
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\n" ); document.write( "remember that R1 is Row 1
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\n" ); document.write( "and when you see something like R1/3 that is all the elements in Row 1 being divided by 3. Maybe you'll see 6R1+R2..thats elements in Row 1 multiplied by 6 and added to elements in Row 2. \n" ); document.write( "
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