document.write( "Question 107081: Can someone please help me with this problem please? It says solve by elimination:
\n" ); document.write( "x-4y=-32
\n" ); document.write( "2x+3y=9\r
\n" ); document.write( "\n" ); document.write( "Thank You,
\n" ); document.write( "Brina
\n" ); document.write( "

Algebra.Com's Answer #77916 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\"x-4y=-32\" ...........this one multiply by \"2\"
\n" ); document.write( "\"2x%2B3y=9\"\r
\n" ); document.write( "\n" ); document.write( "you will have:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"2x+-+8y+=+-64\" ...........subtract second one from the first equation
\n" ); document.write( "-
\n" ); document.write( "\"2x%2B3y=9\"\r
\n" ); document.write( "\n" ); document.write( "then, you will have:\r
\n" ); document.write( "\n" ); document.write( "\"-8y+-+3y+=+-64+-+9\".......both sides multiply by \"-1\"\r
\n" ); document.write( "\n" ); document.write( "\"8y+%2B+3y+=+64+%2B+9\"\r
\n" ); document.write( "\n" ); document.write( "\"11y+=+73\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+73%2F11\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+6.64\"\r
\n" ); document.write( "\n" ); document.write( "now, find \"x\"; plug \"y\" in one of equations above.\r
\n" ); document.write( "\n" ); document.write( "\"x+-+4%2A6.64+=+-32\" .....move \"-4%2A6.64\" to the right\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-+32+%2B+4%2A6.64\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-32+%2B+25.6\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-6.4\"\r
\n" ); document.write( "\n" ); document.write( "check:
\n" ); document.write( "\"x+-+4y+=+-32\" ..........\r
\n" ); document.write( "\n" ); document.write( "\"-6.4+-+4%2A6.64+=+-32\"
\n" ); document.write( "\"-6.4+-+25.6+=+-32\"\r
\n" ); document.write( "\n" ); document.write( "\"-32+=+-32\"\r
\n" ); document.write( "\n" ); document.write( "
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