document.write( "Question 433203: I apologize for putting two questions here, but they're both set up the same with the elimination method, and I need help with both. ( I figured its not the same as posting all my homework)\r
\n" ); document.write( "\n" ); document.write( "I need help to solve 9x + 2y = 2 by the elimination method,
\n" ); document.write( "21x + 6y = 4
\n" ); document.write( "and this problem the same way:
\n" ); document.write( "2x + 3y = 18
\n" ); document.write( "5x – y = 11 \n" ); document.write( "
Algebra.Com's Answer #300281 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
(1) \"++9x+%2B+2y+=+2+\"
\n" ); document.write( "(2) \"+21x+%2B+6y+=+4+\"
\n" ); document.write( "Multiply both sides of (1) by \"3\" and subtract
\n" ); document.write( "(2) from (1)
\n" ); document.write( "(1) \"++27x+%2B+6y+=+6+\"
\n" ); document.write( "(2) \"+-21x+-+6y+=+-4+\"
\n" ); document.write( "\"+6x+=+2+\"
\n" ); document.write( "\"+x=+1%2F3+\"
\n" ); document.write( "and
\n" ); document.write( "(1) \"++9%2A%281%2F3%29+%2B+2y+=+2+\"
\n" ); document.write( "\"3+%2B+2y+=+2+\"
\n" ); document.write( "\"+2y+=+-1+\"
\n" ); document.write( "\"+y+=+-1%2F2+\"
\n" ); document.write( "check answer:
\n" ); document.write( "(2) \"+21x+%2B+6y+=+4+\"
\n" ); document.write( "\"+21%2A%281%2F3%29+%2B+6%2A%28-1%2F2%29+=+4+\"
\n" ); document.write( "\"+7+-+3+=+4+\"
\n" ); document.write( "\"+4+=+4+\"
\n" ); document.write( "OK
\n" ); document.write( "----------------
\n" ); document.write( "(1) \"2x+%2B+3y+=+18\"
\n" ); document.write( "(2) \"5x+%96+y+=+11\"
\n" ); document.write( "Multiply both sides of (2) by \"3\",
\n" ); document.write( "The add the equations
\n" ); document.write( "(1) \"2x+%2B+3y+=+18\"
\n" ); document.write( "(2) \"15x+%96+3y+=+33\"
\n" ); document.write( "\"+17x+=+51+\"
\n" ); document.write( "\"+x+=+3+\"
\n" ); document.write( "and
\n" ); document.write( "(1) \"2%2A3+%2B+3y+=+18\"
\n" ); document.write( "\"+6+%2B+3y+=+18+\"
\n" ); document.write( "\"+3y+=+12+\"
\n" ); document.write( "\"+y+=+4+\"
\n" ); document.write( "------------------ \n" ); document.write( "
\n" );