document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=818561>Question 818561</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use substitution to solve the system of equations<BR>\n" );
document.write( "Y=4x-1<BR>\n" );
document.write( "Y=2x-5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #492626 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=492626\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Two formulas for Y in your system; equate then and you have one equation in just the variable, x.  Each equation is already solved for Y in terms of just x.\r<BR>\n" );
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document.write( "4x-1=Y, so substitute for Y from the second equation.<BR>\n" );
document.write( "4x-1=2x-5;<BR>\n" );
document.write( "4x-1-2x=-5<BR>\n" );
document.write( "2x-1=-5<BR>\n" );
document.write( "2x=-5+1<BR>\n" );
document.write( "2x=-4<BR>\n" );
document.write( "x=-2\r<BR>\n" );
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document.write( "Now use either equation to get the value for Y. </SPAN>\n" );
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