document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=694927>Question 694927</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do you solve this linear system by using substitution?\r<BR>\n" );
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document.write( "-x+2y=6<BR>\n" );
document.write( "8x+y=31\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #428264 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=428264\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -1	x	+	2	y	=	6	.............1				<BR>\n" );
document.write( "2	y	=	6	+	1	x					<BR>\n" );
document.write( "/	2	=									<BR>\n" );
document.write( "	y	=	3	+	(1/2)	x					<BR>\n" );
document.write( "8	x	+	1	y	=	31		.....................2			<BR>\n" );
document.write( "Substitute y in		(2)									<BR>\n" );
document.write( "8x+1(3+(1/2)x	)	=	31<BR>\n" );
document.write( "8x+3+(1/2)x	=	31			<BR>\n" );
document.write( "8x+(1/2)x	=	28					<BR>\n" );
document.write( "8.5	x	=	28								<BR>\n" );
document.write( "/	8.5										<BR>\n" );
document.write( "x=	56/17										<BR>\n" );
document.write( "Plug the value of x in (1)											<BR>\n" );
document.write( "-1	x	+	2	y	=	6					<BR>\n" );
document.write( "-1	*	56/17	+	2	y	=	6				<BR>\n" );
document.write( "-56/17	+	2	y	=	6						<BR>\n" );
document.write( "2	y	=	158/17								<BR>\n" );
document.write( "/	2										<BR>\n" );
document.write( "y=	69/17										<BR>\n" );
document.write( "m.ananth@hotmail.ca											<BR>\n" );
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