document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=740655>Question 740655</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solving systems using substitution\r<BR>\n" );
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document.write( "x+4y=5<BR>\n" );
document.write( "4x-2y=11\r<BR>\n" );
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document.write( "I can't figure out what am I suppose to do so please help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #451652 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=451652\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> we are given the two equations\r<BR>\n" );
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document.write( "x+4y=5<BR>\n" );
document.write( "4x-2y=11 \r<BR>\n" );
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document.write( "and we are asked to solve for x and y\r<BR>\n" );
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document.write( "from the first equation we have x = 5 - 4y\r<BR>\n" );
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document.write( "substitute for x in the second equation and we have\r<BR>\n" );
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document.write( "4*(5-4y) - 2y = 11<BR>\n" );
document.write( "20-16y-2y = 11<BR>\n" );
document.write( "-18y = -9  and\r<BR>\n" );
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document.write( "y = 1/2 and x = 3  from equation 1\r<BR>\n" );
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