document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=471402>Question 471402</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve by elimination method and what is the solution set?<BR>\n" );
document.write( "3x-7y=15<BR>\n" );
document.write( "-5x+4y=-25<BR>\n" );
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 #323324 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=323324\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3	x		-7	y	=	15	.............1		<BR>\n" );
document.write( "-5	x	+	4	y	=	-25	.............2		<BR>\n" );
document.write( "									<BR>\n" );
document.write( "multiply (1)by 		4							<BR>\n" );
document.write( "Multiply (2) by		7							<BR>\n" );
document.write( "12	x		-28	y	=	60			<BR>\n" );
document.write( "-35	x		28	y	=	-175			<BR>\n" );
document.write( "Add the two equations									<BR>\n" );
document.write( "-23	x				=	-115			<BR>\n" );
document.write( "/	-23								<BR>\n" );
document.write( "x	=	5    				<BR>\n" );
document.write( "plug value of 			x	in (1)					<BR>\n" );
document.write( "3	x	+	-7	y	=	15			<BR>\n" );
document.write( "15		+	-7	y	=	15			<BR>\n" );
document.write( "			-7	y	=	15		-15	<BR>\n" );
document.write( "			-7	y	=	0			<BR>\n" );
document.write( "				y	=	0    <BR>\n" );
document.write( "CHECK									<BR>\n" );
document.write( "									<BR>\n" );
document.write( "3	x	+	-7	y	=	15			<BR>\n" );
document.write( "15			0		=	15			<BR>\n" );
document.write( "equation1			15		=	15			<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );