document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=929719>Question 929719</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do i solve this system by any method? <BR>\n" );
document.write( "I know you plug in equation of x = <BR>\n" );
document.write( "into the other equation but then how do you find the solution set?\r<BR>\n" );
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document.write( "x = 2y-9<BR>\n" );
document.write( "-2x+4y = 18\r<BR>\n" );
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document.write( "any help would be greatly appreciated,\r<BR>\n" );
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document.write( "thanks so much </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #564429 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=564429\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = 2y-9<BR>\n" );
document.write( " -2x+4y = 18 <BR>\n" );
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document.write( "Substitute for \"x\" and solve for \"y\"::<BR>\n" );
document.write( "-2(2y-9) + 4y = 18<BR>\n" );
document.write( "-4y + 18 + 4y = 18<BR>\n" );
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document.write( "18 = 18<BR>\n" );
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document.write( "That is always true and tell you the two equations<BR>\n" );
document.write( "are really the same equation.  <BR>\n" );
document.write( "The solution is all points of the form (x,(x+9)/2)<BR>\n" );
document.write( "where x is any Real Number.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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