document.write( "Question 328073: solve using elimination method:\r
\n" ); document.write( "\n" ); document.write( "2x+6y=7,
\n" ); document.write( "3x+9y=10\r
\n" ); document.write( "\n" ); document.write( "my answer 41..don't know what i am doing wrong
\n" ); document.write( "

Algebra.Com's Answer #234974 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Multiply Eq 1 by 3:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Multiply Eq 2 by -2:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Add the two equations:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Which is absurd. Hence, the solution set is the empty set.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "John
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" );