document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=168961>Question 168961</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I don't understand how to do this problem?<BR>\n" );
document.write( "3x+y=5<BR>\n" );
document.write( "-2x+3y=4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #124590 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=124590\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3x+y=5<BR>\n" );
document.write( "-2x+3y=4<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "Multiply thru the 1st equation by 3:<BR>\n" );
document.write( " 9x+3y = 15<BR>\n" );
document.write( "-2x+3y = 4<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Subtract the 2nd from the 1st to get:<BR>\n" );
document.write( "11x = 11<BR>\n" );
document.write( "X = 1<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "Substitute this into 3x+y=5 to solve for \"y\":<BR>\n" );
document.write( "3*1 + y = 5<BR>\n" );
document.write( "y = 2<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Ans: (1,2)<BR>\n" );
document.write( "================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );