document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=433872>Question 433872</A>: <I><SPAN STYLE=\"word-break: break-all;\"> PLEASE HELP ME..!\r<BR>\n" );
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document.write( "Find the value of x in the matrix equation.\r<BR>\n" );
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document.write( "{{3x+2y, -6x-3y}} = {{6,-6}}<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 #300713 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=300713\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the value of x in the matrix equation. \r<BR>\n" );
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document.write( "{{3x+2y, -6x-3y}} = {{6,-6}}\r<BR>\n" );
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document.write( "3x+2y = 6<BR>\n" );
document.write( "-6x-3y = -6<BR>\n" );
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document.write( "Multiply the 1st equation by 2:<BR>\n" );
document.write( "6x+4y = 12<BR>\n" );
document.write( "-6x-3y = -6<BR>\n" );
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document.write( "Add and solve for \"y\":<BR>\n" );
document.write( "y = 6<BR>\n" );
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document.write( "Solve for \"x\":<BR>\n" );
document.write( "3x+2y = 6<BR>\n" );
document.write( "3x+2*6 = 6<BR>\n" );
document.write( "3x = -6<BR>\n" );
document.write( "x = -2<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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