document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=672834>Question 672834</A>: <I><SPAN STYLE=\"word-break: break-all;\"> hello:)im not all that good at math its a subsitution problem and i need help! please.\r<BR>\n" );
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document.write( "y=x-1<BR>\n" );
document.write( "3x+4y=17 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #418331 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=418331\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=x-1<BR>\n" );
document.write( "3x+4y=17<BR>\n" );
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document.write( "y is solved for in the 1st eqn, so sub for y in the 2nd.<BR>\n" );
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document.write( "3x+4y=17<BR>\n" );
document.write( "3x + 4(x-1) = 17<BR>\n" );
document.write( "3x + 4x-4 = 17<BR>\n" );
document.write( "7x = 21<BR>\n" );
document.write( "x = 3<BR>\n" );
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document.write( "y = x-1<BR>\n" );
document.write( "y = 2<BR>\n" );
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document.write( "Nothing to it.<BR>\n" );
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