document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=524087>Question 524087</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you help solve these functions with 3 variables?\r<BR>\n" );
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document.write( "4a + 2b - c = 5<BR>\n" );
document.write( "2a+ b - 5c = -11<BR>\n" );
document.write( "a - 2b + 3c = 6 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #347561 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=347561\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4a+-2b-	c	=	5	--------------				1<BR>\n" );
document.write( "2a+5b-	c	=	-11	--------------				2<BR>\n" );
document.write( "a-2b+3c	=6 --------------		3<BR>\n" );
document.write( "																<BR>\n" );
document.write( "consider equation 1 &2				Eliminate 	b											<BR>\n" );
document.write( "Multiply 1 by							5									<BR>\n" );
document.write( "Multiply 2 by							2									<BR>\n" );
document.write( "we get																<BR>\n" );
document.write( "20a	-10	b	+	-5	c	=	25						<BR>\n" );
document.write( "4a+	10	b	+	-2	c	=	-22						<BR>\n" );
document.write( "Add the two 																<BR>\n" );
document.write( "24	a		+	0	b	+	-7	c	=	3	-------------				4	<BR>\n" );
document.write( "consider equation 2 & 3		Eliminate 	b											<BR>\n" );
document.write( "Multiply 2 by 				2												<BR>\n" );
document.write( "Multiply 3 by				5												<BR>\n" );
document.write( "we get 																<BR>\n" );
document.write( "4	a	+	10	b	+	-2	c	=	-22							<BR>\n" );
document.write( "5	a	+	-10	b	+	15	c	=	0							<BR>\n" );
document.write( "Add the two 																<BR>\n" );
document.write( "9a	+0b+13	c	=	-22	-------------5				5		<BR>\n" );
document.write( "Consider (4) & (5)			Eliminate 	a												<BR>\n" );
document.write( "Multiply 4 by				9												<BR>\n" );
document.write( "Multiply (5) by				-24												<BR>\n" );
document.write( "we get				2												<BR>\n" );
document.write( "216	a	+	-63	c	=	27										<BR>\n" );
document.write( "-216	a	+	-312	c	=	528										<BR>\n" );
document.write( "Add the two 																<BR>\n" );
document.write( "0	a	+	-375	c	=	555										<BR>\n" );
document.write( "/	-375															<BR>\n" );
document.write( "c	=	-1.48	=>	-37/25	\r<BR>\n" );
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document.write( "Plug the value of 			c	in		(5)	<BR>\n" );
document.write( "9	a	+	-19.24		=	-22	<BR>\n" );
document.write( "9	a	=	-2.76				<BR>\n" );
document.write( "a	=	-0.31	OR	- 23/75			<BR>\n" );
document.write( "plug value of x & z in					1		<BR>\n" );
document.write( "-1.23	+	-2	b	+	1.48	=	5<BR>\n" );
document.write( "-2	b	=	1.23	+	-1.48	+	5<BR>\n" );
document.write( "b	=	-2.37	OR	-19/8			<BR>\n" );
document.write( "											<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );