document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1132050>Question 1132050</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 21X+7y=42<BR>\n" );
document.write( "-5x+5y=10 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #748901 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39625)</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=748901\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Variables X, y, and x.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X=x ALIGN=MIDDLE  ALT=\"X=x\"   DISABLED_style= \"max-width:90%; height:auto;\" >?<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X%3C%3Ex ALIGN=MIDDLE  ALT=\"X%3C%3Ex\"   DISABLED_style= \"max-width:90%; height:auto;\" >?\r<BR>\n" );
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document.write( "If you mean to have two equations and TWO unknown variables, then make it as  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%2821x%2B7y=42%2C-5x%2B5y=10%29 ALIGN=MIDDLE  ALT=\"system%2821x%2B7y=42%2C-5x%2B5y=10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "and that system simplifies to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%283x%2By=6%2Cx-y=-2%29 ALIGN=MIDDLE  ALT=\"system%283x%2By=6%2Cx-y=-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and ready for eliminating y to quickly solve for x.... </SPAN>\n" );
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