document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=78939>Question 78939</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve these simultaneous equations using a algebric method\r<BR>\n" );
document.write( "\n" );
document.write( "3x+7y=18<BR>\n" );
document.write( "x+2y=5<BR>\n" );
document.write( "x=           y= </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #56651 by </B><A HREF=/tutors/aboutme.mpl?userid=sprolden><B>sprolden(40)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sprolden><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=56651\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve these simultaneous equations using a algebric method<BR>\n" );
document.write( "3x+7y=18<BR>\n" );
document.write( "x+2y=5<BR>\n" );
document.write( "x=           y=\r<BR>\n" );
document.write( "\n" );
document.write( "1- First, multiply the 2nd equation times -3<BR>\n" );
document.write( "   -3x-6y=-15<BR>\n" );
document.write( "2- Add your equations<BR>\n" );
document.write( "   3x+7y = 18<BR>\n" );
document.write( "  -3x-6y =-15<BR>\n" );
document.write( "3- Your solution should be y=3<BR>\n" );
document.write( "4- Substitute 3 for y into either of the original equations<BR>\n" );
document.write( "5- I'm going to use x+2y=5.<BR>\n" );
document.write( "   x+2(3)=5<BR>\n" );
document.write( "   x+6=5<BR>\n" );
document.write( "   x=-1<BR>\n" );
document.write( "6- So x=-1 and y=3 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );