document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=213529>Question 213529</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the substitution method to solve the system of equations. Enter your answer as an ordered pair.\r<BR>\n" );
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document.write( "3x - y = 7 <BR>\n" );
document.write( "2x - 2y = 2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #161333 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=161333\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3x - y = 7 multiply by -2 & add\r<BR>\n" );
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document.write( "2x - 2y = 2<BR>\n" );
document.write( "-6x+2y=-14<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "-4x=-12<BR>\n" );
document.write( "x=-12/-4<BR>\n" );
document.write( "x=3 ans.<BR>\n" );
document.write( "3*3-y=7<BR>\n" );
document.write( "9-y=7<BR>\n" );
document.write( "-y=7-9\-y=-2<BR>\n" );
document.write( "y=2 ans.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "2*3-2*2=2<BR>\n" );
document.write( "6-4=2<BR>\n" );
document.write( "2=2 </SPAN>\n" );
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