document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=511719>Question 511719</A>: <I><SPAN STYLE=\"word-break: break-all;\"> help me solve this set of linear equations\r<BR>\n" );
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document.write( "5x-y=3<BR>\n" );
document.write( "y=-3x-11\r<BR>\n" );
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document.write( "thank you very much </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #342369 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=342369\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5x-y=3<BR>\n" );
document.write( "y=-3x-11 <BR>\n" );
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document.write( "substitute the value of y from 2nd equation into equation 1 and solve for x:<BR>\n" );
document.write( "starting with:<BR>\n" );
document.write( "5x-y=3<BR>\n" );
document.write( "apply substitution:<BR>\n" );
document.write( "5x-(-3x-11)=3<BR>\n" );
document.write( "5x+3x+11=3<BR>\n" );
document.write( "8x+11=3<BR>\n" );
document.write( "8x = -8<BR>\n" );
document.write( "x = -1<BR>\n" );
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document.write( "substitute above into equation 2 and solve for y:<BR>\n" );
document.write( "y=-3x-11 <BR>\n" );
document.write( "y=-3(-1)-11 <BR>\n" );
document.write( "y=3-11 <BR>\n" );
document.write( "y = -8<BR>\n" );
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document.write( "answer: (x,y) = (-1, -8) </SPAN>\n" );
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