document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=20479>Question 20479</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I solve this?\r<BR>\n" );
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document.write( "3x+4y=-5<BR>\n" );
document.write( "5x+6y=-7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #9849 by </B><A HREF=/tutors/aboutme.mpl?userid=suresh><B>suresh(20)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=suresh><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=9849\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given equations are:<BR>\n" );
document.write( "3x + 4y = -5 --------> (1)\r<BR>\n" );
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document.write( "5x + 6y = -7 --------> (2)\r<BR>\n" );
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document.write( "Multiply eqn (1) by 5, 15x + 20y = -25 ------->(3)\r<BR>\n" );
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document.write( "Multiply eqn (2) by 3, 15x + 18y = -21 ------->(4)<BR>\n" );
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document.write( "Subtract (4) from (3),        2y = -4\r<BR>\n" );
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document.write( "y = -2.<BR>\n" );
document.write( "Plug y = -2 in eqn (1), we have 3x + 4(-2) = -5\r<BR>\n" );
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document.write( "3x=-5+8=3,   x = 1.\r<BR>\n" );
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document.write( "The solution of the equations are x=1 and y=-2.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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