document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=176008>Question 176008</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the system by substitution.\r<BR>\n" );
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document.write( "y=2x+4<BR>\n" );
document.write( "y=-1/2x+3/2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #131116 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley75><B>checkley75(3666)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley75><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=131116\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=2x+4<BR>\n" );
document.write( "y=-1/2x+3/2<BR>\n" );
document.write( "2x+4=-1/2x+3/2<BR>\n" );
document.write( "2x+1/2x=3/2-4<BR>\n" );
document.write( "2.5x=-2.5<BR>\n" );
document.write( "x=-2.5/2.5<BR>\n" );
document.write( "x=-1 ans.<BR>\n" );
document.write( "y=2*-1+4<BR>\n" );
document.write( "y=-2+4<BR>\n" );
document.write( "y=2 ans.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "2=-1/2*-1+3/2<BR>\n" );
document.write( "2=+1/2+3/2<BR>\n" );
document.write( "2=4/2<BR>\n" );
document.write( "2=2 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );