document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=402642>Question 402642</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 3x+y=7<BR>\n" );
document.write( "2x=2y+17 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #284780 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=284780\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3x + y = 7<BR>\n" );
document.write( "2x = 2y + 17---->2x - 2y = 17 {subtracted 2y from both sides}\r<BR>\n" );
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document.write( "3x + y = 7-------->6x + 2y = 14 {multiplied top equation by 2}<BR>\n" );
document.write( "2x - 2y = 17------>2x - 2y = 17 {bottom equation stays the same}\r<BR>\n" );
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document.write( "8x = 31 {added the two new equations together}<BR>\n" );
document.write( "x = 31/8 {divided both sides by 8}\r<BR>\n" );
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document.write( "3x + y = 7<BR>\n" );
document.write( "3(31/8)  + y = 7 {substituted 31/8 in for x, into top equation}<BR>\n" );
document.write( "93/8 + y = 7 {multiplied 3 by 31/8}<BR>\n" );
document.write( "y = 7 - 93/8 {subtracted 93/8 from both sides}<BR>\n" );
document.write( "y = 56/8 - 93/8 {got a common denominator}<BR>\n" );
document.write( "y = -37/8 {subtracted the numerators and put over common denominator}<BR>\n" );
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