document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=700357>Question 700357</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this equation:\r<BR>\n" );
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document.write( "4x + 8y = 20<BR>\n" );
document.write( "-4x + 2y = -30 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #431802 by </B><A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><B>algebrahouse.com(1659)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><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/cgi-bin/show-face.mpl?user=algebrahouse.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=431802\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4x + 8y = 20<BR>\n" );
document.write( "-4x + 2y = -30<BR>\n" );
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document.write( "10y = -10   {added the two equations together}<BR>\n" );
document.write( "y = -1 {divided each side by 10}\r<BR>\n" );
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document.write( "4x + 8y = 20 {top original equation}<BR>\n" );
document.write( "4x + 8(-1) = 20 {substituted -1, for y, into top original equation}<BR>\n" );
document.write( "4x - 8 = 20 {multiplied}<BR>\n" );
document.write( "4x = 28 {added 8 to each side}<BR>\n" );
document.write( "x = 7 {divided each side by 4}\r<BR>\n" );
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document.write( "x = 7 and y = -1<BR>\n" );
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