document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=216479>Question 216479</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The problem is this:\r<BR>\n" );
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document.write( "3x - 5y = -9<BR>\n" );
document.write( "5x - 6y = -8\r<BR>\n" );
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document.write( "I believe that I did the first part of this problem correct but can not figure out how to solve for x.  Please let me know if solving for y is correct and how to solve for x\r<BR>\n" );
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document.write( "15x - 25y = -45<BR>\n" );
document.write( "15x - 18y = -24  I multiplied the first equation by 5 and the second equation by 3\r<BR>\n" );
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document.write( "0 - -7y = -21\r<BR>\n" );
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document.write( "I divided both by -7\r<BR>\n" );
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document.write( "y = 3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #163451 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=163451\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Garamond\" size=\"+2\">\r<BR>\n" );
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document.write( "You have correctly solved for the value of <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large y\">, although I would have multiplied the 2nd equation by -3 and then added the two equations (as opposed to subtracting them like you did).  That is because it is less likely to make a sign error if you do it that way.\r<BR>\n" );
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document.write( "Now there are two different ways you can determine the value of <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large x\">.\r<BR>\n" );
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document.write( "1.  Go back to the original equations and multiply the first one by 6 and the second one by -5.  When you add the two equations the <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large y\"> terms will be eliminated and you can solve the result for <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large x\">\r<BR>\n" );
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document.write( "2.  Select either one of the original equations and substitute the calculated value of <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large y\"> leaving you with an easily solved equation in <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large x\">.  In this problem:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ 3x - 5(3) = -9\">\r<BR>\n" );
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document.write( "Usually the 2nd method is simpler and less prone to error.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
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