document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=618355>Question 618355</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the value of the variable x and y in:<BR>\n" );
document.write( "x-9y=-13<BR>\n" );
document.write( "   y=-x+7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #388824 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=388824\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x-9	y	=	-13	.............1	<BR>\n" );
document.write( "								<BR>\n" );
document.write( "x+y	=	7	.............2	<BR>\n" );
document.write( "Eliminate	y							<BR>\n" );
document.write( "multiply (1)by		1						<BR>\n" );
document.write( "Multiply (2) by		9						<BR>\n" );
document.write( "1	x		-9	y	=	-13		<BR>\n" );
document.write( "9	x	+	9	y	=	63		<BR>\n" );
document.write( "Add the two equations								<BR>\n" );
document.write( "10	x				=	50		<BR>\n" );
document.write( "/	10							<BR>\n" );
document.write( "x	=	5					<BR>\n" );
document.write( "plug value of			x	in (1)				<BR>\n" );
document.write( "1	x		-9	y	=	-13		<BR>\n" );
document.write( "5			-9	y	=	-13		<BR>\n" );
document.write( "			-9	y	=	-13		-5<BR>\n" );
document.write( "			-9	y	=	-18		<BR>\n" );
document.write( "				y	=	2		<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );