document.write( "Question 158651: Solve the following simultaneous equations using the elimination method.
\n" ); document.write( "7x - 11y = 1, and 4x + 5y = 12
\n" ); document.write( "

Algebra.Com's Answer #116861 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
Solve the following simultaneous equations using the elimination method.
\n" ); document.write( "\"system%287x+-+11y+=+1%2C+4x+%2B+5y+=+12%29\"
\n" ); document.write( "
\r
\n" ); document.write( "\n" ); document.write( "To eliminate y, multiply the first equation by 5 and
\n" ); document.write( "the second equation by 11\r
\n" ); document.write( "\n" ); document.write( "\"system%2835x+-+55y+=+5%2C+44x+%2B+55y+=+132%29\"\r
\n" ); document.write( "\n" ); document.write( "Add vertically term by term:\r
\n" ); document.write( "\n" ); document.write( "\"79x=137\"\r
\n" ); document.write( "\n" ); document.write( "Divide both sides by 79\r
\n" ); document.write( "\n" ); document.write( "\"x=137%2F79\"\r
\n" ); document.write( "\n" ); document.write( "\"system%287x+-+11y+=+1%2C+4x+%2B+5y+=+12%29\"\r
\n" ); document.write( "\n" ); document.write( "To eliminate x, multiply the first equation by -4 and
\n" ); document.write( "the second equation by 7\r
\n" ); document.write( "\n" ); document.write( "\"system%28-28x+%2B+44y+=+-4%2C+28x+%2B+35y+=+84%29\"\r
\n" ); document.write( "\n" ); document.write( "Add vertically term by term:\r
\n" ); document.write( "\n" ); document.write( "\"79y=80\"\r
\n" ); document.write( "\n" ); document.write( "Divide both sides by 79\r
\n" ); document.write( "\n" ); document.write( "\"y=80%2F79\"\r
\n" ); document.write( "\n" ); document.write( "Answer \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
\n" );