document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=522015>Question 522015</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve for the solution of the system equation<BR>\n" );
document.write( "3y=4x+7<BR>\n" );
document.write( "-4x-4y=28 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #346665 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=346665\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -4	x	+	3	y	=	7	.............1	<BR>\n" );
document.write( "-4	x		-4	y	=	28	.............2	<BR>\n" );
document.write( "Eliminate y								<BR>\n" );
document.write( "multiply (1)by 		4						<BR>\n" );
document.write( "Multiply (2) by		3						<BR>\n" );
document.write( "-16	x		12	y	=	28		<BR>\n" );
document.write( "-12	x		-12	y	=	84		<BR>\n" );
document.write( "Add the two equations								<BR>\n" );
document.write( "-28	x				=	112		<BR>\n" );
document.write( "/	-28							<BR>\n" );
document.write( "x	=	-4						<BR>\n" );
document.write( "plug value of 			x	in (1)				<BR>\n" );
document.write( "-4	x	+	3	y	=	7		<BR>\n" );
document.write( "16		+	3	y	=	7		<BR>\n" );
document.write( "			3	y	=	7		-16<BR>\n" );
document.write( "			3	y	=	-9		<BR>\n" );
document.write( "				y	=	-3		<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );