document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=282517>Question 282517</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Linear equations w/ substitution . . . . <BR>\n" );
document.write( "y=3x and x+y=8 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #205115 by </B><A HREF=/tutors/aboutme.mpl?userid=oberobic><B>oberobic(2304)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oberobic><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=205115\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=3x<BR>\n" );
document.write( "x+y = 8<BR>\n" );
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document.write( "substitute y=3x into the second equation<BR>\n" );
document.write( "x+y = 8<BR>\n" );
document.write( "x + 3x= 8<BR>\n" );
document.write( "4x = 8<BR>\n" );
document.write( "x = 2<BR>\n" );
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document.write( "substitute x=2 into the first equation<BR>\n" );
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document.write( "y = 3(2) = 6<BR>\n" );
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document.write( "check by substituting x=2 and y=6 into the second equation<BR>\n" );
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document.write( "x+y = 8??<BR>\n" );
document.write( "2 + 6 = 8<BR>\n" );
document.write( "correct<BR>\n" );
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document.write( "Answer:<BR>\n" );
document.write( "x = 2<BR>\n" );
document.write( "y = 6<BR>\n" );
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document.write( "Done. </SPAN>\n" );
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