document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1126673>Question 1126673</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x=y-1<BR>\n" );
document.write( "5x=10y </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #743002 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=743002\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "Solve by substitution.<br><BR>\n" );
document.write( "The first equation says that \"y-1\" is the same as \"x\".  So replace \"x\" with \"y-1\" in the second equation.  That gives you an equation in only y, allowing you to solve the problem with basic algebra.<br><BR>\n" );
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document.write( "You can solve from there.<br><BR>\n" );
document.write( "It's a simple example of how the method of substitution is used to solve pairs of equations in two variables. </SPAN>\n" );
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