document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=882873>Question 882873</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm having a lot of trouble solving this equation using the substitution method please help. \r<BR>\n" );
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document.write( "4x-3y=2<BR>\n" );
document.write( "5x+y=-7\r<BR>\n" );
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document.write( "Here is what I've tried. I solved for y in the 2nd equation and plugged it into the 1st equation, combined like terms, simplified and now I'm stuck\r<BR>\n" );
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document.write( "y=5x-7<BR>\n" );
document.write( "4x-3(5x-7)=2<BR>\n" );
document.write( "4x-15x+21=2<BR>\n" );
document.write( "-11x+21=2 <BR>\n" );
document.write( "what is my next move\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #533132 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=533132\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> All of this is wrong because the first step is wrong, because of sign mistake.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=5x-7 ALIGN=MIDDLE  ALT=\"y=5x-7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x-3%285x-7%29=2 ALIGN=MIDDLE  ALT=\"4x-3%285x-7%29=2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x-15x%2B21=2 ALIGN=MIDDLE  ALT=\"4x-15x%2B21=2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-11x%2B21=2+ ALIGN=MIDDLE  ALT=\"-11x%2B21=2+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Starting fresh from the second equation,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5x%2By=-7 ALIGN=MIDDLE  ALT=\"5x%2By=-7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5x-5x%2By=-7-5x ALIGN=MIDDLE  ALT=\"5x-5x%2By=-7-5x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0%2By=-7-5x ALIGN=MIDDLE  ALT=\"0%2By=-7-5x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28y=-5x-7%29 ALIGN=MIDDLE  ALT=\"highlight_green%28y=-5x-7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, different formula for y than before.  You will use this formula again later...<BR>\n" );
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document.write( "Now, use the first equation of your system and substitute for y to find x.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x-3y=2 ALIGN=MIDDLE  ALT=\"4x-3y=2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x-3%28-5x-7%29=2 ALIGN=MIDDLE  ALT=\"4x-3%28-5x-7%29=2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x%2B15x%2B21=2 ALIGN=MIDDLE  ALT=\"4x%2B15x%2B21=2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=19x%2B21=2 ALIGN=MIDDLE  ALT=\"19x%2B21=2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=19x=-19 ALIGN=MIDDLE  ALT=\"19x=-19\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=1%29 ALIGN=MIDDLE  ALT=\"highlight%28x=1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Use what you found for x to compute the value for y. </SPAN>\n" );
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