document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=579893>Question 579893</A>: <I><SPAN STYLE=\"word-break: break-all;\"> y-x=3x<BR>\n" );
document.write( "2(x+y)=14-y\r<BR>\n" );
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document.write( "3a+6b=-15<BR>\n" );
document.write( "a=-2b-5\r<BR>\n" );
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document.write( " pls. solve by substitution </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #371091 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=371091\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y-x=3x<BR>\n" );
document.write( "add x to both sides<BR>\n" );
document.write( "y= 4x\r<BR>\n" );
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document.write( "2(x+y)=14-y\r<BR>\n" );
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document.write( "substitute y\r<BR>\n" );
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document.write( "2(x+4x)=14+3x\r<BR>\n" );
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document.write( "10x=14+3x\r<BR>\n" );
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document.write( "add -3x to both sides<BR>\n" );
document.write( "7x=14<BR>\n" );
document.write( "/7<BR>\n" );
document.write( "x=2<BR>\n" );
document.write( "when x =2 y = 4x = 4*2=8\r<BR>\n" );
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document.write( "(2,8) </SPAN>\n" );
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