document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=240962>Question 240962</A>: <I><SPAN STYLE=\"word-break: break-all;\"> hi I had this question on a test and i just couldn't figure out the answer. the test was on the elimination method.\r<BR>\n" );
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document.write( "heres the problem: 5x+y=1, 10x-2y=7 \r<BR>\n" );
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document.write( "please help, thank you! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #176506 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=176506\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5x+y=1 multiply by 2 & add.<BR>\n" );
document.write( "10x-2y=7<BR>\n" );
document.write( "10x+2y=2<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "20x=9<BR>\n" );
document.write( "x=9/20 ans.<BR>\n" );
document.write( "5*9/20+y=1<BR>\n" );
document.write( "45/20+y=1<BR>\n" );
document.write( "y=1-45/20<BR>\n" );
document.write( "y=20/20-45/20<BR>\n" );
document.write( "y=-25/20<BR>\n" );
document.write( "y=-5/4 ans.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "10*9/20-2*-5/4=7<BR>\n" );
document.write( "90/20+10/4=7<BR>\n" );
document.write( "4.5+2.5=7<BR>\n" );
document.write( "7=7<BR>\n" );
document.write( " </SPAN>\n" );
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