document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=454259>Question 454259</A>: <I><SPAN STYLE=\"word-break: break-all;\"> use substitution method to determine whether the system of linear equations has no solution, one solution,or many solutions\r<BR>\n" );
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document.write( "2x - y = 8<BR>\n" );
document.write( "x + 4y = 13 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #311952 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=311952\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2	x		-1	y	=	8	.............1				<BR>\n" );
document.write( "4	y	=	13		-1	x	---------2				<BR>\n" );
document.write( "/	4	=									<BR>\n" );
document.write( "	y	=	3.25		-0.25	x					<BR>\n" );
document.write( "Plug the value of y in (1)											<BR>\n" );
document.write( "2x-1(3.25-0.25x)	=8<BR>\n" );
document.write( "2x-3.25+	0.25x=8			<BR>\n" );
document.write( "2x+0.25	x=8+3.25				<BR>\n" );
document.write( "2.25x=11.25								<BR>\n" );
document.write( "/2.25										<BR>\n" );
document.write( "x=5										<BR>\n" );
document.write( "Plug the value of x in (1)											<BR>\n" );
document.write( "2x-y=8					<BR>\n" );
document.write( "2*5-y=8				<BR>\n" );
document.write( "10-y=8						<BR>\n" );
document.write( "-y=-2								<BR>\n" );
document.write( "y=2									<BR>\n" );
document.write( "(5,2) is the solution	<BR>\n" );
document.write( " </SPAN>\n" );
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