document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=560949>Question 560949</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you solve by substitution or elimination these linear equations?<BR>\n" );
document.write( "{2x+y=5}<BR>\n" );
document.write( "{1x+2y=4}<BR>\n" );
document.write( "I get confused on these steps. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #364093 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=364093\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x+1y=5	.............1	<BR>\n" );
document.write( "1x+2y	=	4	.............2	<BR>\n" );
document.write( "Eliminate y								<BR>\n" );
document.write( "multiply (1)by 		-2						<BR>\n" );
document.write( "Multiply (2) by		1						<BR>\n" );
document.write( "-4x-2y=	-10		<BR>\n" );
document.write( "1x+2y=	4		<BR>\n" );
document.write( "Add the two equations								<BR>\n" );
document.write( "-3x=-6		<BR>\n" );
document.write( "/-3							<BR>\n" );
document.write( "x=2 			<BR>\n" );
document.write( "plug value of 			x	in (1)				<BR>\n" );
document.write( "2x+1y=5		<BR>\n" );
document.write( "4+1y=5		<BR>\n" );
document.write( "			1	y	=	5		-4<BR>\n" );
document.write( "				y	=	1		<BR>\n" );
document.write( "				 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );